diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce4abdc2e3..483fe65d66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ### Added
 
+- Support Justify Last Line. [Issue #4374](https://github.com/PHPOffice/PhpSpreadsheet/issues/4374) [PR #4373](https://github.com/PHPOffice/PhpSpreadsheet/pull/4373)
 - Allow Spreadsheet clone. [PR #437-](https://github.com/PHPOffice/PhpSpreadsheet/pull/4370)
 
 ### Removed
diff --git a/docs/topics/recipes.md b/docs/topics/recipes.md
index e2d9f58628..bdc86b9823 100644
--- a/docs/topics/recipes.md
+++ b/docs/topics/recipes.md
@@ -1188,15 +1188,16 @@ quotePrefix  | setQuotePrefix()
 
 **\PhpOffice\PhpSpreadsheet\Style\Alignment**
 
-Array key   | Maps to property
-------------|-------------------
-horizontal  | setHorizontal()
-indent      | setIndent()
-readOrder   | setReadOrder()
-shrinkToFit | setShrinkToFit()
-textRotation| setTextRotation()
-vertical    | setVertical()
-wrapText    | setWrapText()
+Array key       | Maps to property
+----------------|-------------------
+horizontal      | setHorizontal()
+justifyLastLine | setJustifyLastLine()
+indent          | setIndent()
+readOrder       | setReadOrder()
+shrinkToFit     | setShrinkToFit()
+textRotation    | setTextRotation()
+vertical        | setVertical()
+wrapText        | setWrapText()
 
 **\PhpOffice\PhpSpreadsheet\Style\Border**
 
diff --git a/src/PhpSpreadsheet/Reader/Xlsx/Styles.php b/src/PhpSpreadsheet/Reader/Xlsx/Styles.php
index b02f3d3ffb..4b1a7d36c5 100644
--- a/src/PhpSpreadsheet/Reader/Xlsx/Styles.php
+++ b/src/PhpSpreadsheet/Reader/Xlsx/Styles.php
@@ -265,6 +265,12 @@ public function readAlignmentStyle(Alignment $alignment, SimpleXMLElement $align
         if ($horizontal !== '') {
             $alignment->setHorizontal($horizontal);
         }
+        $justifyLastLine = (string) $this->getAttribute($alignmentXml, 'justifyLastLine');
+        if ($justifyLastLine !== '') {
+            $alignment->setJustifyLastLine(
+                self::boolean($justifyLastLine)
+            );
+        }
         $vertical = (string) $this->getAttribute($alignmentXml, 'vertical');
         if ($vertical !== '') {
             $alignment->setVertical($vertical);
diff --git a/src/PhpSpreadsheet/Style/Alignment.php b/src/PhpSpreadsheet/Style/Alignment.php
index 3aed77c697..a50229930d 100644
--- a/src/PhpSpreadsheet/Style/Alignment.php
+++ b/src/PhpSpreadsheet/Style/Alignment.php
@@ -97,6 +97,11 @@ class Alignment extends Supervisor
      */
     protected ?string $horizontal = self::HORIZONTAL_GENERAL;
 
+    /**
+     * Justify Last Line alignment.
+     */
+    protected ?bool $justifyLastLine = null;
+
     /**
      * Vertical alignment.
      */
@@ -196,6 +201,9 @@ public function applyFromArray(array $styleArray): static
             if (isset($styleArray['horizontal'])) {
                 $this->setHorizontal($styleArray['horizontal']);
             }
+            if (isset($styleArray['justifyLastLine'])) {
+                $this->setJustifyLastLine($styleArray['justifyLastLine']);
+            }
             if (isset($styleArray['vertical'])) {
                 $this->setVertical($styleArray['vertical']);
             }
@@ -255,6 +263,35 @@ public function setHorizontal(string $horizontalAlignment): static
         return $this;
     }
 
+    /**
+     * Get Justify Last Line.
+     */
+    public function getJustifyLastLine(): ?bool
+    {
+        if ($this->isSupervisor) {
+            return $this->getSharedComponent()->getJustifyLastLine();
+        }
+
+        return $this->justifyLastLine;
+    }
+
+    /**
+     * Set Justify Last Line.
+     *
+     * @return $this
+     */
+    public function setJustifyLastLine(bool $justifyLastLine): static
+    {
+        if ($this->isSupervisor) {
+            $styleArray = $this->getStyleArray(['justifyLastLine' => $justifyLastLine]);
+            $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+        } else {
+            $this->justifyLastLine = $justifyLastLine;
+        }
+
+        return $this;
+    }
+
     /**
      * Get Vertical.
      */
@@ -475,6 +512,7 @@ public function getHashCode(): string
 
         return md5(
             $this->horizontal
+            . (($this->justifyLastLine === null) ? 'null' : ($this->justifyLastLine ? 't' : 'f'))
             . $this->vertical
             . $this->textRotation
             . ($this->wrapText ? 't' : 'f')
@@ -489,6 +527,7 @@ protected function exportArray1(): array
     {
         $exportedArray = [];
         $this->exportArray2($exportedArray, 'horizontal', $this->getHorizontal());
+        $this->exportArray2($exportedArray, 'justifyLastLine', $this->getJustifyLastLine());
         $this->exportArray2($exportedArray, 'indent', $this->getIndent());
         $this->exportArray2($exportedArray, 'readOrder', $this->getReadOrder());
         $this->exportArray2($exportedArray, 'shrinkToFit', $this->getShrinkToFit());
diff --git a/src/PhpSpreadsheet/Writer/Xlsx/Style.php b/src/PhpSpreadsheet/Writer/Xlsx/Style.php
index 37c6c31276..8b09dd66ca 100644
--- a/src/PhpSpreadsheet/Writer/Xlsx/Style.php
+++ b/src/PhpSpreadsheet/Writer/Xlsx/Style.php
@@ -457,6 +457,10 @@ private function writeCellStyleXf(XMLWriter $objWriter, \PhpOffice\PhpSpreadshee
             if ($vertical !== '') {
                 $objWriter->writeAttribute('vertical', $vertical);
             }
+            $justifyLastLine = $style->getAlignment()->getJustifyLastLine();
+            if (is_bool($justifyLastLine)) {
+                $objWriter->writeAttribute('justifyLastLine', (string) (int) $justifyLastLine);
+            }
 
             if ($style->getAlignment()->getTextRotation() >= 0) {
                 $textRotation = $style->getAlignment()->getTextRotation();
diff --git a/tests/PhpSpreadsheetTests/Reader/Xlsx/AlignmentTest.php b/tests/PhpSpreadsheetTests/Reader/Xlsx/AlignmentTest.php
new file mode 100644
index 0000000000..bccb99b4a6
--- /dev/null
+++ b/tests/PhpSpreadsheetTests/Reader/Xlsx/AlignmentTest.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\PhpSpreadsheetTests\Reader\Xlsx;
+
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+use PhpOffice\PhpSpreadsheetTests\Functional\AbstractFunctional;
+
+class AlignmentTest extends AbstractFunctional
+{
+    private ?Spreadsheet $spreadsheet = null;
+
+    private ?Spreadsheet $reloadedSpreadsheet = null;
+
+    protected function tearDown(): void
+    {
+        if ($this->spreadsheet !== null) {
+            $this->spreadsheet->disconnectWorksheets();
+            $this->spreadsheet = null;
+        }
+        if ($this->reloadedSpreadsheet !== null) {
+            $this->reloadedSpreadsheet->disconnectWorksheets();
+            $this->reloadedSpreadsheet = null;
+        }
+    }
+
+    public function testJustifyLastLine(): void
+    {
+        $this->spreadsheet = new Spreadsheet();
+        $sheet = $this->spreadsheet->getActiveSheet();
+        $sheet->setCellValue('A1', 'ABC');
+        $sheet->setCellValue('A2', 'DEF');
+        $sheet->setCellValue('A3', 'GHI');
+        $sheet->getStyle('A1')
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_DISTRIBUTED)
+            ->setJustifyLastLine(true);
+        $sheet->getStyle('A2')
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_DISTRIBUTED)
+            ->setJustifyLastLine(false);
+        $sheet->getStyle('A3')
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_DISTRIBUTED);
+        $this->reloadedSpreadsheet = $this->writeAndReload($this->spreadsheet, 'Xlsx');
+        $rsheet = $this->reloadedSpreadsheet->getActiveSheet();
+        self::assertTrue(
+            $rsheet->getStyle('A1')
+                ->getAlignment()
+                ->getJustifyLastLine()
+        );
+        self::assertFalse(
+            $rsheet->getStyle('A2')
+                ->getAlignment()
+                ->getJustifyLastLine()
+        );
+        self::assertNull(
+            $rsheet->getStyle('A3')
+                ->getAlignment()
+                ->getJustifyLastLine()
+        );
+    }
+}
diff --git a/tests/PhpSpreadsheetTests/Style/AlignmentTest.php b/tests/PhpSpreadsheetTests/Style/AlignmentTest.php
index 32957d90fa..3a5cecb078 100644
--- a/tests/PhpSpreadsheetTests/Style/AlignmentTest.php
+++ b/tests/PhpSpreadsheetTests/Style/AlignmentTest.php
@@ -84,6 +84,17 @@ public function testHorizontal(): void
         self::assertEquals(0, $cell3->getStyle()->getAlignment()->getIndent());
     }
 
+    public function testJustifyLastLine(): void
+    {
+        $this->spreadsheet = new Spreadsheet();
+        $sheet = $this->spreadsheet->getActiveSheet();
+        $cell1 = $sheet->getCell('A1');
+        $cell1->setValue('ABC');
+        $cell1->getStyle()->getAlignment()->setHorizontal(Alignment::HORIZONTAL_DISTRIBUTED);
+        $cell1->getStyle()->getAlignment()->setJustifyLastLine(true);
+        self::assertTrue($cell1->getStyle()->getAlignment()->getJustifyLastLine());
+    }
+
     public function testReadOrder(): void
     {
         $this->spreadsheet = new Spreadsheet();
diff --git a/tests/PhpSpreadsheetTests/Writer/Xlsx/Issue3443Test.php b/tests/PhpSpreadsheetTests/Writer/Xlsx/Issue3443Test.php
index 8b658bbf0b..54d55ba4be 100644
--- a/tests/PhpSpreadsheetTests/Writer/Xlsx/Issue3443Test.php
+++ b/tests/PhpSpreadsheetTests/Writer/Xlsx/Issue3443Test.php
@@ -37,6 +37,7 @@ public function testNonDefaultAlign(): void
         $rsheet = $reloadedSpreadsheet->getActiveSheet();
         $expected1 = [
             'horizontal' => 'center',
+            'justifyLastLine' => null,
             'indent' => 0,
             'readOrder' => 0,
             'shrinkToFit' => false,
@@ -78,6 +79,7 @@ public function testDefaultAlign(): void
         $rsheet = $reloadedSpreadsheet->getActiveSheet();
         $expected1 = [
             'horizontal' => 'general',
+            'justifyLastLine' => null,
             'indent' => 0,
             'readOrder' => 0,
             'shrinkToFit' => false,