diff --git a/__tests__/report/get-report.test.ts b/__tests__/report/get-report.test.ts
index 30e1e89..2f60d03 100644
--- a/__tests__/report/get-report.test.ts
+++ b/__tests__/report/get-report.test.ts
@@ -1,4 +1,5 @@
-import {getBadge, DEFAULT_OPTIONS, ReportOptions} from '../../src/report/get-report.js'
+import {DEFAULT_OPTIONS, getBadge, getReport, ReportOptions} from '../../src/report/get-report.js'
+import {TestCaseResult, TestGroupResult, TestRunResult, TestSuiteResult} from '../../src/test-results.js'
 
 describe('getBadge', () => {
   describe('URI encoding with special characters', () => {
@@ -131,3 +132,28 @@ describe('getBadge', () => {
     })
   })
 })
+
+describe('getReport', () => {
+  it('sorts suites by descending time when configured', () => {
+    const results = [
+      new TestRunResult('report.xml', [
+        createSuite('unit', 10),
+        createSuite('integration', 30),
+        createSuite('smoke', 20)
+      ])
+    ]
+
+    const report = getReport(results, {
+      ...DEFAULT_OPTIONS,
+      sortSuites: 'time-desc',
+      listTests: 'none'
+    })
+
+    expect(report.indexOf('integration')).toBeLessThan(report.indexOf('smoke'))
+    expect(report.indexOf('smoke')).toBeLessThan(report.indexOf('unit'))
+  })
+})
+
+function createSuite(name: string, time: number): TestSuiteResult {
+  return new TestSuiteResult(name, [new TestGroupResult(name, [new TestCaseResult(`${name}-test`, 'success', time)])])
+}
diff --git a/action.yml b/action.yml
index be606d4..7b7ddee 100644
--- a/action.yml
+++ b/action.yml
@@ -46,6 +46,13 @@ inputs:
         - none
     required: false
     default: 'all'
+  sort-suites:
+    description: |
+      Sort order for test suites. Supported options:
+        - name: Sort alphabetically by name (default)
+        - time-desc: Sort by execution time, slowest first
+    required: false
+    default: 'name'
   list-tests:
     description: |
       Limits which test cases are listed. Supported options:
diff --git a/dist/index.js b/dist/index.js
index c8865b0..4d3a526 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -56954,6 +56954,7 @@ const DEFAULT_OPTIONS = {
     listSuites: 'all',
     listTests: 'all',
     slugPrefix: '',
+    sortSuites: 'name',
     baseUrl: '',
     onlySummary: false,
     useActionsSummary: true,
@@ -56962,7 +56963,7 @@ const DEFAULT_OPTIONS = {
     collapsed: 'auto'
 };
 function getReport(results, options = DEFAULT_OPTIONS, shortSummary = '') {
-    applySort(results);
+    applySort(results, options);
     const opts = { ...options };
     let lines = renderReport(results, opts, shortSummary);
     let report = lines.join('\n');
@@ -57010,10 +57011,15 @@ function trimReport(lines, options) {
     reportLines.push(errorMsg);
     return reportLines.join('\n');
 }
-function applySort(results) {
+function applySort(results, options) {
     results.sort((a, b) => a.path.localeCompare(b.path, DEFAULT_LOCALE));
     for (const res of results) {
-        res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE));
+        if (options.sortSuites === 'time-desc') {
+            res.suites.sort((a, b) => b.time - a.time);
+        }
+        else {
+            res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE));
+        }
     }
 }
 function getByteLength(text) {
@@ -58948,6 +58954,7 @@ class TestReporter {
     pathReplaceBackslashes = getInput('path-replace-backslashes', { required: false }) === 'true';
     reporter = getInput('reporter', { required: true });
     listSuites = getInput('list-suites', { required: true });
+    sortSuites = getInput('sort-suites', { required: false });
     listTests = getInput('list-tests', { required: true });
     maxAnnotations = parseInt(getInput('max-annotations', { required: true }));
     failOnError = getInput('fail-on-error', { required: true }) === 'true';
@@ -58968,6 +58975,10 @@ class TestReporter {
             setFailed(`Input parameter 'list-suites' has invalid value`);
             return;
         }
+        if (this.sortSuites !== 'name' && this.sortSuites !== 'time-desc') {
+            setFailed(`Input parameter 'sort-suites' has invalid value`);
+            return;
+        }
         if (this.listTests !== 'all' && this.listTests !== 'failed' && this.listTests !== 'none') {
             setFailed(`Input parameter 'list-tests' has invalid value`);
             return;
@@ -59056,7 +59067,7 @@ class TestReporter {
                 throw error;
             }
         }
-        const { listSuites, listTests, slugPrefix, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed } = this;
+        const { listSuites, sortSuites, listTests, slugPrefix, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed } = this;
         const passed = results.reduce((sum, tr) => sum + tr.passed, 0);
         const failed = results.reduce((sum, tr) => sum + tr.failed, 0);
         const skipped = results.reduce((sum, tr) => sum + tr.skipped, 0);
@@ -59065,6 +59076,7 @@ class TestReporter {
         if (this.useActionsSummary) {
             const summary = getReport(results, {
                 listSuites,
+                sortSuites,
                 listTests,
                 slugPrefix,
                 baseUrl,
@@ -59094,6 +59106,7 @@ class TestReporter {
             baseUrl = createResp.data.html_url;
             const summary = getReport(results, {
                 listSuites,
+                sortSuites,
                 listTests,
                 slugPrefix,
                 baseUrl,
diff --git a/src/main.ts b/src/main.ts
index fc6ea16..330eaff 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -43,6 +43,7 @@ class TestReporter {
   readonly pathReplaceBackslashes = core.getInput('path-replace-backslashes', {required: false}) === 'true'
   readonly reporter = core.getInput('reporter', {required: true})
   readonly listSuites = core.getInput('list-suites', {required: true}) as 'all' | 'failed' | 'none'
+  readonly sortSuites = core.getInput('sort-suites', {required: false}) as 'name' | 'time-desc'
   readonly listTests = core.getInput('list-tests', {required: true}) as 'all' | 'failed' | 'none'
   readonly maxAnnotations = parseInt(core.getInput('max-annotations', {required: true}))
   readonly failOnError = core.getInput('fail-on-error', {required: true}) === 'true'
@@ -66,6 +67,11 @@ class TestReporter {
       return
     }
 
+    if (this.sortSuites !== 'name' && this.sortSuites !== 'time-desc') {
+      core.setFailed(`Input parameter 'sort-suites' has invalid value`)
+      return
+    }
+
     if (this.listTests !== 'all' && this.listTests !== 'failed' && this.listTests !== 'none') {
       core.setFailed(`Input parameter 'list-tests' has invalid value`)
       return
@@ -177,7 +183,17 @@ class TestReporter {
       }
     }
 
-    const {listSuites, listTests, slugPrefix, onlySummary, useActionsSummary, badgeTitle, reportTitle, collapsed} = this
+    const {
+      listSuites,
+      sortSuites,
+      listTests,
+      slugPrefix,
+      onlySummary,
+      useActionsSummary,
+      badgeTitle,
+      reportTitle,
+      collapsed
+    } = this
 
     const passed = results.reduce((sum, tr) => sum + tr.passed, 0)
     const failed = results.reduce((sum, tr) => sum + tr.failed, 0)
@@ -190,6 +206,7 @@ class TestReporter {
         results,
         {
           listSuites,
+          sortSuites,
           listTests,
           slugPrefix,
           baseUrl,
@@ -222,6 +239,7 @@ class TestReporter {
       baseUrl = createResp.data.html_url as string
       const summary = getReport(results, {
         listSuites,
+        sortSuites,
         listTests,
         slugPrefix,
         baseUrl,
diff --git a/src/report/get-report.ts b/src/report/get-report.ts
index 325e28c..8fd30b5 100644
--- a/src/report/get-report.ts
+++ b/src/report/get-report.ts
@@ -12,6 +12,7 @@ export interface ReportOptions {
   listSuites: 'all' | 'failed' | 'none'
   listTests: 'all' | 'failed' | 'none'
   slugPrefix: string
+  sortSuites: 'name' | 'time-desc'
   baseUrl: string
   onlySummary: boolean
   useActionsSummary: boolean
@@ -24,6 +25,7 @@ export const DEFAULT_OPTIONS: ReportOptions = {
   listSuites: 'all',
   listTests: 'all',
   slugPrefix: '',
+  sortSuites: 'name',
   baseUrl: '',
   onlySummary: false,
   useActionsSummary: true,
@@ -37,7 +39,7 @@ export function getReport(
   options: ReportOptions = DEFAULT_OPTIONS,
   shortSummary = ''
 ): string {
-  applySort(results)
+  applySort(results, options)
 
   const opts = {...options}
   let lines = renderReport(results, opts, shortSummary)
@@ -96,10 +98,14 @@ function trimReport(lines: string[], options: ReportOptions): string {
   return reportLines.join('\n')
 }
 
-function applySort(results: TestRunResult[]): void {
+function applySort(results: TestRunResult[], options: ReportOptions): void {
   results.sort((a, b) => a.path.localeCompare(b.path, DEFAULT_LOCALE))
   for (const res of results) {
-    res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
+    if (options.sortSuites === 'time-desc') {
+      res.suites.sort((a, b) => b.time - a.time)
+    } else {
+      res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
+    }
   }
 }