diff --git a/changelogs/fragments/56538-yum-handle-proxy-conf.yaml b/changelogs/fragments/56538-yum-handle-proxy-conf.yaml
new file mode 100644
index 0000000000..78a6c3017c
--- /dev/null
+++ b/changelogs/fragments/56538-yum-handle-proxy-conf.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+  - 'yum - handle special "_none_" value for proxy in yum.conf and .repo files (https://github.com/ansible/ansible/issues/56538)'
diff --git a/lib/ansible/modules/packaging/os/yum.py b/lib/ansible/modules/packaging/os/yum.py
index 107bd3f65d..6d02a6dba6 100644
--- a/lib/ansible/modules/packaging/os/yum.py
+++ b/lib/ansible/modules/packaging/os/yum.py
@@ -728,7 +728,8 @@ class YumModule(YumDnf):
         scheme = ["http", "https"]
         old_proxy_env = [os.getenv("http_proxy"), os.getenv("https_proxy")]
         try:
-            if my.conf.proxy:
+            # "_none_" is a special value to disable proxy in yum.conf/*.repo
+            if my.conf.proxy and my.conf.proxy not in ("_none_",):
                 if my.conf.proxy_username:
                     namepass = namepass + my.conf.proxy_username
                     proxy_url = my.conf.proxy