diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3359afacd0..54cb112a4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,12 +8,14 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 ### Fixed
 * [`no-unknown-property`]: add `viewBox` on `marker` ([#3416][] @ljharb)
 * [`no-unknown-property`]: add `noModule` on `script` ([#3414][] @ljharb)
+* [`no-unknown-property`]: allow `onLoad` on `<object>` ([#3415][] @OleksiiKachan)
 
 ### Changed
 
 * [Meta] npmignore markdownlint config ([#3413][] @jorrit)
 
 [#3416]: https://github.com/jsx-eslint/eslint-plugin-react/issues/3416
+[#3415]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3415
 [#3414]: https://github.com/jsx-eslint/eslint-plugin-react/issues/3414
 [#3413]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3413
 
diff --git a/lib/rules/no-unknown-property.js b/lib/rules/no-unknown-property.js
index 2f1a4fc6fd..26e39fd24f 100644
--- a/lib/rules/no-unknown-property.js
+++ b/lib/rules/no-unknown-property.js
@@ -75,7 +75,7 @@ const ATTRIBUTE_TAGS_MAP = {
   onEncrypted: ['audio', 'video'],
   onEnded: ['audio', 'video'],
   onError: ['audio', 'video', 'img', 'link', 'source', 'script', 'picture', 'iframe'],
-  onLoad: ['script', 'img', 'link', 'picture', 'iframe'],
+  onLoad: ['script', 'img', 'link', 'picture', 'iframe', 'object'],
   onLoadedData: ['audio', 'video'],
   onLoadedMetadata: ['audio', 'video'],
   onLoadStart: ['audio', 'video'],
diff --git a/tests/lib/rules/no-unknown-property.js b/tests/lib/rules/no-unknown-property.js
index d58c6e21c1..911d28179b 100644
--- a/tests/lib/rules/no-unknown-property.js
+++ b/tests/lib/rules/no-unknown-property.js
@@ -66,6 +66,7 @@ ruleTester.run('no-unknown-property', rule, {
     { code: '<source onError={foo} />' },
     { code: '<link onLoad={bar} onError={foo} />' },
     { code: '<link rel="preload" as="image" href="someHref" imageSrcSet="someImageSrcSet" imageSizes="someImageSizes" />' },
+    { code: '<object onLoad={bar} />' },
     { code: '<div allowFullScreen webkitAllowFullScreen mozAllowFullScreen />' },
     { code: '<table border="1" />' },
     {
@@ -443,7 +444,7 @@ ruleTester.run('no-unknown-property', rule, {
           data: {
             name: 'onLoad',
             tagName: 'div',
-            allowedTags: 'script, img, link, picture, iframe',
+            allowedTags: 'script, img, link, picture, iframe, object',
           },
         },
       ],