diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl
index 16b8f9a..177b0c1 100644
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -70,3 +70,10 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Allow the release namespace to be overridden for multi-namespace deployments in combined charts.
+*/}}
+{{- define "liferay.namespace" -}}
+{{- default .Release.Namespace .Values.namespaceOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
\ No newline at end of file
diff --git a/templates/configmap.yaml b/templates/configmap.yaml
index c9b0d2d..8f16078 100644
--- a/templates/configmap.yaml
+++ b/templates/configmap.yaml
@@ -2,6 +2,7 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ include "liferay.fullname" . }}
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
   {{- with .Values.configmap.annotations }}
diff --git a/templates/database/statefulset.yaml b/templates/database/statefulset.yaml
index fc31918..ca2bff2 100644
--- a/templates/database/statefulset.yaml
+++ b/templates/database/statefulset.yaml
@@ -4,6 +4,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: {{ include "liferay.fullname" $ }}-database
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-database
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -104,6 +105,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" $ }}-database
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-database
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -122,6 +124,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" $ }}-database-headless
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-database
     {{- include "liferay.labels" $ | nindent 4 }}
diff --git a/templates/headless-service.yml b/templates/headless-service.yml
index bc40082..c8ff49f 100644
--- a/templates/headless-service.yml
+++ b/templates/headless-service.yml
@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" . }}-headless
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     app: {{ $.Chart.Name }}
     {{- include "liferay.labels" . | nindent 4 }}
diff --git a/templates/hpa.yaml b/templates/hpa.yaml
index 05e76d9..2f1e91a 100644
--- a/templates/hpa.yaml
+++ b/templates/hpa.yaml
@@ -3,6 +3,7 @@ apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ include "liferay.fullname" . }}
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
 spec:
diff --git a/templates/ingress.yaml b/templates/ingress.yaml
index 85f21e1..4ad1656 100644
--- a/templates/ingress.yaml
+++ b/templates/ingress.yaml
@@ -3,6 +3,7 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: {{ include "liferay.fullname" . }}
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
   {{- with .Values.ingress.annotations }}
diff --git a/templates/objectstorage/statefulset.yaml b/templates/objectstorage/statefulset.yaml
index 32519f2..b45a1cd 100644
--- a/templates/objectstorage/statefulset.yaml
+++ b/templates/objectstorage/statefulset.yaml
@@ -4,6 +4,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: {{ include "liferay.fullname" $ }}-objectstorage
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-objectstorage
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -148,6 +149,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" $ }}-objectstorage
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-objectstorage
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -170,6 +172,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" $ }}-objectstorage-headless
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-objectstorage
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -189,6 +192,7 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: {{ include "liferay.fullname" $ }}-objectstorage
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-objectstorage
     {{- include "liferay.labels" $ | nindent 4 }}
diff --git a/templates/search/statefulset.yaml b/templates/search/statefulset.yaml
index 83ba84c..3c26ee6 100644
--- a/templates/search/statefulset.yaml
+++ b/templates/search/statefulset.yaml
@@ -4,6 +4,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: {{ include "liferay.fullname" $ }}-search
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-search
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -155,6 +156,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" $ }}-search
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-search
     {{- include "liferay.labels" $ | nindent 4 }}
@@ -173,6 +175,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" $ }}-search-headless
+  namespace: {{ include "liferay.namespace" $ | quote }}
   labels:
     app: {{ $.Chart.Name }}-search
     {{- include "liferay.labels" $ | nindent 4 }}
diff --git a/templates/service.yaml b/templates/service.yaml
index c6684cd..023dece 100644
--- a/templates/service.yaml
+++ b/templates/service.yaml
@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ include "liferay.fullname" . }}
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     app: {{ $.Chart.Name }}
     {{- include "liferay.labels" . | nindent 4 }}
diff --git a/templates/serviceaccount.yaml b/templates/serviceaccount.yaml
index 3088957..87536b7 100644
--- a/templates/serviceaccount.yaml
+++ b/templates/serviceaccount.yaml
@@ -3,6 +3,7 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: {{ include "liferay.serviceAccountName" . }}
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
   {{- with .Values.serviceAccount.annotations }}
@@ -15,6 +16,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
   name: {{ include "liferay.fullname" . }}-role
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
 rules:
@@ -26,12 +28,13 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
   name: {{ include "liferay.fullname" . }}-rolebinding
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
 subjects:
 - kind: ServiceAccount
   name: {{ include "liferay.serviceAccountName" . }} # Service account name
-  namespace: {{ .Release.Namespace }} # Namespace the service account is deployed in
+  namespace: {{ include "liferay.namespace" . | quote }}
 roleRef:
   kind: Role
   name: {{ include "liferay.fullname" . }}-role # Name of the role
diff --git a/templates/statefulset.yaml b/templates/statefulset.yaml
index b9530a6..9a1267e 100644
--- a/templates/statefulset.yaml
+++ b/templates/statefulset.yaml
@@ -2,6 +2,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: {{ include "liferay.fullname" . }}
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     app: {{ $.Chart.Name }}
     {{- include "liferay.labels" . | nindent 4 }}
diff --git a/templates/tests/test-connection.yaml b/templates/tests/test-connection.yaml
index 76e2c88..1826309 100644
--- a/templates/tests/test-connection.yaml
+++ b/templates/tests/test-connection.yaml
@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: "{{ include "liferay.fullname" . }}-test-connection"
+  namespace: {{ include "liferay.namespace" . | quote }}
   labels:
     {{- include "liferay.labels" . | nindent 4 }}
   annotations: