diff --git a/src/syntax_mapping/builtins/common/xonsh.toml b/src/syntax_mapping/builtins/common/xonsh.toml
new file mode 100644
index 00000000..8e472b41
--- /dev/null
+++ b/src/syntax_mapping/builtins/common/xonsh.toml
@@ -0,0 +1,3 @@
+# Xonsh shell (https://xon.sh/)
+[mappings]
+"Python" = ["*.xsh", "*.xonshrc"]