diff --git a/news/changelog-1.9.md b/news/changelog-1.9.md
index a1085ae47d1..3ea6db19514 100644
--- a/news/changelog-1.9.md
+++ b/news/changelog-1.9.md
@@ -40,6 +40,7 @@ All changes included in 1.9:
 
 - ([#10291](https://github.com/quarto-dev/quarto-cli/issues/10291)): Fix detection of babel hyphenation warnings with straight-quote format instead of backtick-quote format.
 - ([rstudio/tinytex-releases#49](https://github.com/rstudio/tinytex-releases/issues/49)): Fix detection of LuaTeX-ja missing file errors by matching both "File" and "file" in error messages.
+- ([#9091](https://github.com/quarto-dev/quarto-cli/issues/9091)): Fix vertical alignment div has no effect for pdf output
 
 ## Projects
 
diff --git a/src/resources/filters/layout/latex.lua b/src/resources/filters/layout/latex.lua
index e5bce66ba45..e693fa64521 100644
--- a/src/resources/filters/layout/latex.lua
+++ b/src/resources/filters/layout/latex.lua
@@ -67,8 +67,14 @@ function latexPanel(layout)
   end
   local caption = create_latex_caption(layout)
   
-   -- read vertical alignment and strip attribute
-  local vAlign = validatedVAlign(layout.attributes[kLayoutVAlign])
+  -- convert valign_class to latex notion, read vertical alignment and strip attribute
+  local vAlign = "top"
+  if layout.valign_class ~= nil then
+    local vAlignClass = layout.valign_class
+    vAlign = vAlignClass:gsub("quarto%-layout%-valign%-","")
+  end
+  
+  vAlign = validatedVAlign(vAlign)
   layout.attributes[kLayoutVAlign] = nil
 
   for i, row in ipairs(layout.rows.content) do
diff --git a/tests/README.md b/tests/README.md
index 5a6c200169f..3dbfd0dc65d 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -6,7 +6,7 @@ We run several type of tests
 
 - Unit tests, located in `unit/` folder
 - Integration tests, located in `integration/` folder
-- smoke tests localed in `smoke` folder
+- smoke tests located in `smoke` folder
 
 Tests are run in our CI workflow on GHA at each commit, and for each PR.
 
diff --git a/tests/docs/smoke-all/2024/01/19/8354.tex.snapshot b/tests/docs/smoke-all/2024/01/19/8354.tex.snapshot
index 305c0eb2744..81614883005 100644
--- a/tests/docs/smoke-all/2024/01/19/8354.tex.snapshot
+++ b/tests/docs/smoke-all/2024/01/19/8354.tex.snapshot
@@ -220,7 +220,7 @@
 
 \caption{\label{tbl-tables}Tables}
 
-\begin{minipage}{0.50\linewidth}
+\begin{minipage}[t]{0.50\linewidth}
 
 \subcaption{\label{tbl-tables-1}cars}
 
@@ -243,7 +243,7 @@ speed & dist\\
 
 \end{minipage}%
 %
-\begin{minipage}{0.50\linewidth}
+\begin{minipage}[t]{0.50\linewidth}
 
 \subcaption{\label{tbl-tables-2}pressure}
 
diff --git a/tests/docs/smoke-all/2025/11/08/9109.qmd b/tests/docs/smoke-all/2025/11/08/9109.qmd
new file mode 100644
index 00000000000..0c3dbdc63db
--- /dev/null
+++ b/tests/docs/smoke-all/2025/11/08/9109.qmd
@@ -0,0 +1,26 @@
+---
+title: "Untitled"
+format: latex
+execute:
+  warning: false
+_quarto:
+  tests:
+    latex:
+      ensureSnapshotMatches: true
+---
+
+```{r}
+#| label: tbl-tables
+#| tbl-cap: "Tables"
+#| tbl-subcap:
+#|   - cars
+#|   - pressure
+#| layout-ncol: 2
+#| layout-valign: bottom
+
+library(knitr)
+kable(head(cars))
+kable(head(pressure))
+```
+
+See @tbl-tables for examples. In particular, @tbl-tables-2.
diff --git a/tests/docs/smoke-all/2025/11/08/9109.tex.snapshot b/tests/docs/smoke-all/2025/11/08/9109.tex.snapshot
new file mode 100644
index 00000000000..5e8ffedf59e
--- /dev/null
+++ b/tests/docs/smoke-all/2025/11/08/9109.tex.snapshot
@@ -0,0 +1,277 @@
+% Options for packages loaded elsewhere
+% Options for packages loaded elsewhere
+\PassOptionsToPackage{unicode}{hyperref}
+\PassOptionsToPackage{hyphens}{url}
+\PassOptionsToPackage{dvipsnames,svgnames,x11names}{xcolor}
+%
+\documentclass[
+  letterpaper,
+  DIV=11,
+  numbers=noendperiod]{scrartcl}
+\usepackage{xcolor}
+\usepackage{amsmath,amssymb}
+\setcounter{secnumdepth}{-\maxdimen} % remove section numbering
+\usepackage{iftex}
+\ifPDFTeX
+  \usepackage[T1]{fontenc}
+  \usepackage[utf8]{inputenc}
+  \usepackage{textcomp} % provide euro and other symbols
+\else % if luatex or xetex
+  \usepackage{unicode-math} % this also loads fontspec
+  \defaultfontfeatures{Scale=MatchLowercase}
+  \defaultfontfeatures[\rmfamily]{Ligatures=TeX,Scale=1}
+\fi
+\usepackage{lmodern}
+\ifPDFTeX\else
+  % xetex/luatex font selection
+\fi
+% Use upquote if available, for straight quotes in verbatim environments
+\IfFileExists{upquote.sty}{\usepackage{upquote}}{}
+\IfFileExists{microtype.sty}{% use microtype if available
+  \usepackage[]{microtype}
+  \UseMicrotypeSet[protrusion]{basicmath} % disable protrusion for tt fonts
+}{}
+\makeatletter
+\@ifundefined{KOMAClassName}{% if non-KOMA class
+  \IfFileExists{parskip.sty}{%
+    \usepackage{parskip}
+  }{% else
+    \setlength{\parindent}{0pt}
+    \setlength{\parskip}{6pt plus 2pt minus 1pt}}
+}{% if KOMA class
+  \KOMAoptions{parskip=half}}
+\makeatother
+% Make \paragraph and \subparagraph free-standing
+\makeatletter
+\ifx\paragraph\undefined\else
+  \let\oldparagraph\paragraph
+  \renewcommand{\paragraph}{
+    \@ifstar
+      \xxxParagraphStar
+      \xxxParagraphNoStar
+  }
+  \newcommand{\xxxParagraphStar}[1]{\oldparagraph*{#1}\mbox{}}
+  \newcommand{\xxxParagraphNoStar}[1]{\oldparagraph{#1}\mbox{}}
+\fi
+\ifx\subparagraph\undefined\else
+  \let\oldsubparagraph\subparagraph
+  \renewcommand{\subparagraph}{
+    \@ifstar
+      \xxxSubParagraphStar
+      \xxxSubParagraphNoStar
+  }
+  \newcommand{\xxxSubParagraphStar}[1]{\oldsubparagraph*{#1}\mbox{}}
+  \newcommand{\xxxSubParagraphNoStar}[1]{\oldsubparagraph{#1}\mbox{}}
+\fi
+\makeatother
+
+\usepackage{color}
+\usepackage{fancyvrb}
+\newcommand{\VerbBar}{|}
+\newcommand{\VERB}{\Verb[commandchars=\\\{\}]}
+\DefineVerbatimEnvironment{Highlighting}{Verbatim}{commandchars=\\\{\}}
+% Add ',fontsize=\small' for more characters per line
+\usepackage{framed}
+\definecolor{shadecolor}{RGB}{241,243,245}
+\newenvironment{Shaded}{\begin{snugshade}}{\end{snugshade}}
+\newcommand{\AlertTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\AnnotationTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{#1}}
+\newcommand{\AttributeTok}[1]{\textcolor[rgb]{0.40,0.45,0.13}{#1}}
+\newcommand{\BaseNTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\BuiltInTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{#1}}
+\newcommand{\CharTok}[1]{\textcolor[rgb]{0.13,0.47,0.30}{#1}}
+\newcommand{\CommentTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{#1}}
+\newcommand{\CommentVarTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{\textit{#1}}}
+\newcommand{\ConstantTok}[1]{\textcolor[rgb]{0.56,0.35,0.01}{#1}}
+\newcommand{\ControlFlowTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{\textbf{#1}}}
+\newcommand{\DataTypeTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\DecValTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\DocumentationTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{\textit{#1}}}
+\newcommand{\ErrorTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\ExtensionTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{#1}}
+\newcommand{\FloatTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\FunctionTok}[1]{\textcolor[rgb]{0.28,0.35,0.67}{#1}}
+\newcommand{\ImportTok}[1]{\textcolor[rgb]{0.00,0.46,0.62}{#1}}
+\newcommand{\InformationTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{#1}}
+\newcommand{\KeywordTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{\textbf{#1}}}
+\newcommand{\NormalTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{#1}}
+\newcommand{\OperatorTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{#1}}
+\newcommand{\OtherTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{#1}}
+\newcommand{\PreprocessorTok}[1]{\textcolor[rgb]{0.68,0.00,0.00}{#1}}
+\newcommand{\RegionMarkerTok}[1]{\textcolor[rgb]{0.00,0.23,0.31}{#1}}
+\newcommand{\SpecialCharTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{#1}}
+\newcommand{\SpecialStringTok}[1]{\textcolor[rgb]{0.13,0.47,0.30}{#1}}
+\newcommand{\StringTok}[1]{\textcolor[rgb]{0.13,0.47,0.30}{#1}}
+\newcommand{\VariableTok}[1]{\textcolor[rgb]{0.07,0.07,0.07}{#1}}
+\newcommand{\VerbatimStringTok}[1]{\textcolor[rgb]{0.13,0.47,0.30}{#1}}
+\newcommand{\WarningTok}[1]{\textcolor[rgb]{0.37,0.37,0.37}{\textit{#1}}}
+
+\usepackage{longtable,booktabs,array}
+\usepackage{calc} % for calculating minipage widths
+% Correct order of tables after \paragraph or \subparagraph
+\usepackage{etoolbox}
+\makeatletter
+\patchcmd\longtable{\par}{\if@noskipsec\mbox{}\fi\par}{}{}
+\makeatother
+% Allow footnotes in longtable head/foot
+\IfFileExists{footnotehyper.sty}{\usepackage{footnotehyper}}{\usepackage{footnote}}
+\makesavenoteenv{longtable}
+\usepackage{graphicx}
+\makeatletter
+\newsavebox\pandoc@box
+\newcommand*\pandocbounded[1]{% scales image to fit in text height/width
+  \sbox\pandoc@box{#1}%
+  \Gscale@div\@tempa{\textheight}{\dimexpr\ht\pandoc@box+\dp\pandoc@box\relax}%
+  \Gscale@div\@tempb{\linewidth}{\wd\pandoc@box}%
+  \ifdim\@tempb\p@<\@tempa\p@\let\@tempa\@tempb\fi% select the smaller of both
+  \ifdim\@tempa\p@<\p@\scalebox{\@tempa}{\usebox\pandoc@box}%
+  \else\usebox{\pandoc@box}%
+  \fi%
+}
+% Set default figure placement to htbp
+\def\fps@figure{htbp}
+\makeatother
+
+
+
+
+
+\setlength{\emergencystretch}{3em} % prevent overfull lines
+
+\providecommand{\tightlist}{%
+  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
+
+
+
+ 
+
+
+\KOMAoption{captions}{tableheading}
+\makeatletter
+\@ifpackageloaded{caption}{}{\usepackage{caption}}
+\AtBeginDocument{%
+\ifdefined\contentsname
+  \renewcommand*\contentsname{Table of contents}
+\else
+  \newcommand\contentsname{Table of contents}
+\fi
+\ifdefined\listfigurename
+  \renewcommand*\listfigurename{List of Figures}
+\else
+  \newcommand\listfigurename{List of Figures}
+\fi
+\ifdefined\listtablename
+  \renewcommand*\listtablename{List of Tables}
+\else
+  \newcommand\listtablename{List of Tables}
+\fi
+\ifdefined\figurename
+  \renewcommand*\figurename{Figure}
+\else
+  \newcommand\figurename{Figure}
+\fi
+\ifdefined\tablename
+  \renewcommand*\tablename{Table}
+\else
+  \newcommand\tablename{Table}
+\fi
+}
+\@ifpackageloaded{float}{}{\usepackage{float}}
+\floatstyle{ruled}
+\@ifundefined{c@chapter}{\newfloat{codelisting}{h}{lop}}{\newfloat{codelisting}{h}{lop}[chapter]}
+\floatname{codelisting}{Listing}
+\newcommand*\listoflistings{\listof{codelisting}{List of Listings}}
+\makeatother
+\makeatletter
+\makeatother
+\makeatletter
+\@ifpackageloaded{caption}{}{\usepackage{caption}}
+\@ifpackageloaded{subcaption}{}{\usepackage{subcaption}}
+\makeatother
+\usepackage{bookmark}
+\IfFileExists{xurl.sty}{\usepackage{xurl}}{} % add URL line breaks if available
+\urlstyle{same}
+\hypersetup{
+  pdftitle={Untitled},
+  colorlinks=true,
+  linkcolor={blue},
+  filecolor={Maroon},
+  citecolor={Blue},
+  urlcolor={Blue},
+  pdfcreator={LaTeX via pandoc}}
+
+
+\title{Untitled}
+\author{}
+\date{}
+\begin{document}
+\maketitle
+
+
+\begin{Shaded}
+\begin{Highlighting}[]
+\FunctionTok{library}\NormalTok{(knitr)}
+\FunctionTok{kable}\NormalTok{(}\FunctionTok{head}\NormalTok{(cars))}
+\FunctionTok{kable}\NormalTok{(}\FunctionTok{head}\NormalTok{(pressure))}
+\end{Highlighting}
+\end{Shaded}
+
+\begin{table}
+
+\caption{\label{tbl-tables}Tables}
+
+\begin{minipage}[b]{0.50\linewidth}
+
+\subcaption{\label{tbl-tables-1}cars}
+
+\centering{
+
+\begin{tabular}{rr}
+\toprule
+speed & dist\\
+\midrule
+4 & 2\\
+4 & 10\\
+7 & 4\\
+7 & 22\\
+8 & 16\\
+9 & 10\\
+\bottomrule
+\end{tabular}
+
+}
+
+\end{minipage}%
+%
+\begin{minipage}[b]{0.50\linewidth}
+
+\subcaption{\label{tbl-tables-2}pressure}
+
+\centering{
+
+\begin{tabular}{rr}
+\toprule
+temperature & pressure\\
+\midrule
+0 & 0.0002\\
+20 & 0.0012\\
+40 & 0.0060\\
+60 & 0.0300\\
+80 & 0.0900\\
+100 & 0.2700\\
+\bottomrule
+\end{tabular}
+
+}
+
+\end{minipage}%
+
+\end{table}%
+
+See Table~\ref{tbl-tables} for examples. In particular,
+Table~\ref{tbl-tables-2}.
+
+
+
+
+\end{document}