diff --git a/README.md b/README.md
index 5365ea64..2204cb99 100644
--- a/README.md
+++ b/README.md
@@ -174,6 +174,7 @@ Say thanks!
 <table>
 <tr>
 <td>Chrome<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/chrome.svg" width="125" title="Chrome" /><br>463 Bytes</td>
+<td>Firefox<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/firefox.svg" width="125" title="Firefox" /><br>993 Bytes</td>
 <td>Samsung Internet<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/samsunginternet.svg" width="125" title="Samsung Internet" /><br>384 Bytes</td>
 <td>Edge<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/edge.svg" width="125" title="Edge" /><br>646 Bytes</td>
 <td>Opera<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/opera.svg" width="125" title="Opera" /><br>722 Bytes</td>
diff --git a/images/reference/firefox.svg b/images/reference/firefox.svg
new file mode 100644
index 00000000..d094c3b7
--- /dev/null
+++ b/images/reference/firefox.svg
@@ -0,0 +1,138 @@
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+  <title>firefox-logo</title>
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+    <path d="M833.814,537.551C797.412,462.35,751.978,429.55,709,394c5,7,6.232,9.473,9,14,37.827,40.316,93.607,138.656,53.11,262.107C694.881,902.482,389.967,793.057,358,762.319c12.932,134.489,238.036,198.845,384.6,111.63C826,795,893.468,660.788,833.814,537.551Z" style="fill: url(#linear-gradient-7)"/>
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+</svg>
\ No newline at end of file
diff --git a/images/reference/index.md b/images/reference/index.md
index 349d8543..62a63e4e 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -149,3 +149,4 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/chrome.svg" width="256" /> | <img src="/images/reference/chrome.svg" width="256" />  | https://www.google.com/chrome/static/images/chrome-logo.svg |
 | <img src="/images/svg/edge.svg" width="256" /> | <img src="/images/reference/edge.png" width="256" />  | https://commons.wikimedia.org/wiki/File:Microsoft_Edge_logo.svg |
 | <img src="/images/svg/opera.svg" width="256" /> | <img src="/images/reference/opera.png" width="256" />  | https://brand.opera.com/ |
+| <img src="/images/svg/firefox.svg" width="256" /> | <img src="/images/reference/firefox.svg" width="256" />  | https://design.firefox.com/photon/visuals/product-identity-assets.html |
diff --git a/images/svg/firefox.svg b/images/svg/firefox.svg
new file mode 100644
index 00000000..e1ec189d
--- /dev/null
+++ b/images/svg/firefox.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="Firefox" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
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