diff --git a/charts/fluentd/templates/ingress.yaml b/charts/fluentd/templates/ingress.yaml
index e8377138..f02f7c29 100644
--- a/charts/fluentd/templates/ingress.yaml
+++ b/charts/fluentd/templates/ingress.yaml
@@ -14,6 +14,9 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }
   {{- if .Values.ingress.tls }}
   tls:
     {{- range .Values.ingress.tls }}
diff --git a/charts/fluentd/values.yaml b/charts/fluentd/values.yaml
index 59a66531..4afd2184 100644
--- a/charts/fluentd/values.yaml
+++ b/charts/fluentd/values.yaml
@@ -380,6 +380,7 @@ fileConfigs:
 
 ingress:
   enabled: false
+  className: ""
   annotations: {}
     # kubernetes.io/ingress.class: nginx
     # kubernetes.io/tls-acme: "true"