diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66de91324f..17f3b4d878 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
 ## UNRELEASED
+IMPROVEMENTS:
+* Helm
+  * Allow customization of `terminationGracePeriodSeconds` on the ingress gateways. [[GH-947](https://github.com/hashicorp/consul-k8s/pull/947)] 
 
 ## 0.39.0 (December 15, 2021)
 
diff --git a/charts/consul/templates/ingress-gateways-deployment.yaml b/charts/consul/templates/ingress-gateways-deployment.yaml
index 5b8c8dc4b7..8d0ba09cdb 100644
--- a/charts/consul/templates/ingress-gateways-deployment.yaml
+++ b/charts/consul/templates/ingress-gateways-deployment.yaml
@@ -88,7 +88,7 @@ spec:
       tolerations:
         {{ tpl (default $defaults.tolerations .tolerations) $root | nindent 8 | trim }}
       {{- end }}
-      terminationGracePeriodSeconds: 10
+      terminationGracePeriodSeconds: {{ default $defaults.terminationGracePeriodSeconds .terminationGracePeriodSeconds }}
       serviceAccountName: {{ template "consul.fullname" $root }}-{{ .name }}
       volumes:
         - name: consul-bin
diff --git a/charts/consul/test/unit/ingress-gateways-deployment.bats b/charts/consul/test/unit/ingress-gateways-deployment.bats
index c22e325771..b72819c8ff 100644
--- a/charts/consul/test/unit/ingress-gateways-deployment.bats
+++ b/charts/consul/test/unit/ingress-gateways-deployment.bats
@@ -1609,4 +1609,44 @@ EOF
   [ "${actual}" = "ca" ]
   local actual=$(echo $object | yq -r '.metadata.annotations."vault.hashicorp.com/ca-cert"')
   [ "${actual}" = "/vault/custom/tls.crt" ]
-}
\ No newline at end of file
+}
+
+#--------------------------------------------------------------------
+# terminationGracePeriodSeconds
+
+@test "ingressGateways/Deployment: terminationGracePeriodSeconds defaults to 10" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -s templates/ingress-gateways-deployment.yaml  \
+      --set 'ingressGateways.enabled=true' \
+      --set 'connectInject.enabled=true' \
+      . | tee /dev/stderr |
+      yq -s -r '.[0].spec.template.spec.terminationGracePeriodSeconds' | tee /dev/stderr)
+  [ "${actual}" = "10" ]
+}
+
+@test "ingressGateways/Deployment: terminationGracePeriodSeconds can be set through defaults" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -s templates/ingress-gateways-deployment.yaml  \
+      --set 'ingressGateways.enabled=true' \
+      --set 'connectInject.enabled=true' \
+      --set 'ingressGateways.defaults.terminationGracePeriodSeconds=5' \
+      . | tee /dev/stderr |
+      yq -s -r '.[0].spec.template.spec.terminationGracePeriodSeconds' | tee /dev/stderr)
+  [ "${actual}" = "5" ]
+}
+
+@test "ingressGateways/Deployment: can set terminationGracePeriodSeconds through specific gateway overriding defaults" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -s templates/ingress-gateways-deployment.yaml  \
+      --set 'ingressGateways.enabled=true' \
+      --set 'connectInject.enabled=true' \
+      --set 'ingressGateways.defaults.terminationGracePeriodSeconds=5' \
+      --set 'ingressGateways.gateways[0].name=gateway1' \
+      --set 'ingressGateways.gateways[0].terminationGracePeriodSeconds=30' \
+      . | tee /dev/stderr |
+      yq -s -r '.[0].spec.template.spec.terminationGracePeriodSeconds' | tee /dev/stderr)
+  [ "${actual}" = "30" ]
+}
diff --git a/charts/consul/values.yaml b/charts/consul/values.yaml
index 800c640528..c97aef15ce 100644
--- a/charts/consul/values.yaml
+++ b/charts/consul/values.yaml
@@ -2304,6 +2304,9 @@ ingressGateways:
     # Optional priorityClassName.
     priorityClassName: ""
 
+    # Amount of seconds to wait for graceful termination before killing the pod.
+    terminationGracePeriodSeconds: 10
+
     # Annotations to apply to the ingress gateway deployment. Annotations defined
     # here will be applied to all ingress gateway deployments in addition to any
     # annotations defined for a specific gateway in `ingressGateways.gateways`.