diff --git a/middleware/content_charset.go b/middleware/content_charset.go
index 8e75fe8e4..18f8c76f9 100644
--- a/middleware/content_charset.go
+++ b/middleware/content_charset.go
@@ -30,6 +30,8 @@ func contentEncoding(ce string, charsets ...string) bool {
 	_, ce = split(strings.ToLower(ce), ";")
 	_, ce = split(ce, "charset=")
 	ce, _ = split(ce, ";")
+	// Clients often quote the charset parameter: charset="utf-8"
+	ce = strings.Trim(ce, `"'`)
 	return slices.Contains(charsets, ce)
 }
 
diff --git a/middleware/content_charset_test.go b/middleware/content_charset_test.go
index aee06a2dc..c746c673d 100644
--- a/middleware/content_charset_test.go
+++ b/middleware/content_charset_test.go
@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"strings"
 	"net/http"
 	"net/http/httptest"
 	"testing"
@@ -125,3 +126,19 @@ func TestContentEncoding(t *testing.T) {
 		t.Error("Want true, got false")
 	}
 }
+
+func TestContentCharsetQuoted(t *testing.T) {
+	t.Parallel()
+	mw := ContentCharset("utf-8")
+	body := strings.NewReader(`{}`)
+	r := httptest.NewRequest("POST", "/", body)
+	r.Header.Set("Content-Type", `application/json; charset="utf-8"`)
+	w := httptest.NewRecorder()
+	router := chi.NewRouter()
+	router.Use(mw)
+	router.Post("/", func(w http.ResponseWriter, r *http.Request) {})
+	router.ServeHTTP(w, r)
+	if w.Code != 200 {
+		t.Fatalf("got %d want 200 for quoted charset", w.Code)
+	}
+}