diff --git a/deploy/charts/litellm-helm/README.md b/deploy/charts/litellm-helm/README.md
index 73b722b64c6..86b5918f01c 100644
--- a/deploy/charts/litellm-helm/README.md
+++ b/deploy/charts/litellm-helm/README.md
@@ -36,11 +36,45 @@ If `db.useStackgresOperator` is used (not yet implemented):
 | `service.port`                                             | TCP port that the Kubernetes Service will listen on.  Also the TCP port within the Pod that the proxy will listen on.                                                                 | `4000`  |
 | `service.loadBalancerClass`                                | Optional LoadBalancer implementation class (only used when `service.type` is `LoadBalancer`)                                                                                                          | `""`  |
 | `ingress.*`                                                | See [values.yaml](./values.yaml) for example settings                                                                                                                                 | N/A  |
-| `proxy_config.*`                                           | See [values.yaml](./values.yaml) for default settings.  See [example_config_yaml](../../../litellm/proxy/example_config_yaml/) for configuration examples.                            | N/A  |
-| `extraContainers[]`                                        | An array of additional containers to be deployed as sidecars alongside the LiteLLM Proxy.                                                                                             | `[]`  |
+| `proxyConfigMap.create`     | When `true`, render a ConfigMap from `.Values.proxy_config` and mount it.                                                                                                                                      | `true` |
+| `proxyConfigMap.name`       | When `create=false`, name of the existing ConfigMap to mount.                                                                                                                                                  | `""`  |
+| `proxyConfigMap.key`        | Key in the ConfigMap that contains the proxy config file.                                                                                                                                                      | `"config.yaml"` |
+| `proxy_config.*`            | See [values.yaml](./values.yaml) for default settings. Rendered into the ConfigMap’s `config.yaml` only when `proxyConfigMap.create=true`. See [example_config_yaml](../../../litellm/proxy/example_config_yaml/) for configuration examples. | `N/A` |
+| `extraContainers[]`         | An array of additional containers to be deployed as sidecars alongside the LiteLLM Proxy.
+
+#### Example `proxy_config` ConfigMap from values (default):
+
+
+```
+proxyConfigMap:
+  create: true
+  key: "config.yaml"
+
+proxy_config:
+  general_settings:
+    master_key: os.environ/PROXY_MASTER_KEY
+  model_list:
+    - model_name: gpt-3.5-turbo
+      litellm_params:
+        model: gpt-3.5-turbo
+        api_key: eXaMpLeOnLy
+```
+
+#### Example using existing `proxyConfigMap` instead of creating it:
+
+
+```
+proxyConfigMap:
+  create: false
+  name: my-litellm-config
+  key: config.yaml
+
+# proxy_config is ignored in this mode
+```
 
 #### Example `environmentSecrets` Secret 
 
+
 ```
 apiVersion: v1
 kind: Secret
diff --git a/deploy/charts/litellm-helm/templates/configmap-litellm.yaml b/deploy/charts/litellm-helm/templates/configmap-litellm.yaml
index 4598054a9d0..cf35917da03 100644
--- a/deploy/charts/litellm-helm/templates/configmap-litellm.yaml
+++ b/deploy/charts/litellm-helm/templates/configmap-litellm.yaml
@@ -1,7 +1,9 @@
+{{- if .Values.proxyConfigMap.create }}
 apiVersion: v1
 kind: ConfigMap
 metadata:
   name: {{ include "litellm.fullname" . }}-config
 data:
   config.yaml: |
-{{ .Values.proxy_config | toYaml | indent 6 }}
\ No newline at end of file
+{{ .Values.proxy_config | toYaml | indent 6 }}
+{{- end }}
\ No newline at end of file
diff --git a/deploy/charts/litellm-helm/templates/deployment.yaml b/deploy/charts/litellm-helm/templates/deployment.yaml
index b30b8829325..6a5a6e87577 100644
--- a/deploy/charts/litellm-helm/templates/deployment.yaml
+++ b/deploy/charts/litellm-helm/templates/deployment.yaml
@@ -16,7 +16,9 @@ spec:
   template:
     metadata:
       annotations:
+        {{- if .Values.proxyConfigMap.create }}
         checksum/config: {{ include (print $.Template.BasePath "/configmap-litellm.yaml") . | sha256sum }}
+        {{- end }}
         {{- with .Values.podAnnotations }}
         {{- toYaml . | nindent 8 }}
         {{- end }}
@@ -183,9 +185,13 @@ spec:
         {{- end }}
         - name: litellm-config
           configMap:
+            {{- if .Values.proxyConfigMap.create }}
             name: {{ include "litellm.fullname" . }}-config
+            {{- else }}
+            name: {{ .Values.proxyConfigMap.name }}
+            {{- end }}
             items:
-              - key: "config.yaml"
+              - key: {{ .Values.proxyConfigMap.key | default "config.yaml" }}
                 path: "config.yaml"
       {{- with .Values.volumes }}
         {{- toYaml . | nindent 8 }}
diff --git a/deploy/charts/litellm-helm/tests/deployment_tests.yaml b/deploy/charts/litellm-helm/tests/deployment_tests.yaml
index b71f91377f1..f9c83966696 100644
--- a/deploy/charts/litellm-helm/tests/deployment_tests.yaml
+++ b/deploy/charts/litellm-helm/tests/deployment_tests.yaml
@@ -115,3 +115,25 @@ tests:
           content:
             name: EXTRA_ENV_VAR
             value: EXTRA_ENV_VAR_VALUE
+  - it: should mount existing configmap when create=false
+    template: deployment.yaml
+    set:
+      proxyConfigMap:
+        create: false
+        name: my-litellm-config
+        key: custom.yaml
+    asserts:
+      - contains:
+          path: spec.template.spec.volumes
+          content:
+            name: litellm-config
+            configMap:
+              name: my-litellm-config
+              items:
+                - key: custom.yaml
+                  path: config.yaml
+      - contains:
+          path: spec.template.spec.containers[0].volumeMounts
+          content:
+            name: litellm-config
+            mountPath: /etc/litellm/
\ No newline at end of file
diff --git a/deploy/charts/litellm-helm/values.yaml b/deploy/charts/litellm-helm/values.yaml
index 0bd95003c10..58d1880cd4c 100644
--- a/deploy/charts/litellm-helm/values.yaml
+++ b/deploy/charts/litellm-helm/values.yaml
@@ -93,6 +93,14 @@ masterkeySecretName: ""
 # if set, use this secret key for the master key; otherwise, use the default key
 masterkeySecretKey: ""
 
+proxyConfigMap:
+  # when true, creates a new configmap
+  create: true
+  # if create is false and name is set, use existing ConfigMap
+  # create: false
+  # name: ""
+  # key: "config.yaml"
+
 # The elements within proxy_config are rendered as config.yaml for the proxy
 #  Examples: https://github.com/BerriAI/litellm/tree/main/litellm/proxy/example_config_yaml
 #  Reference: https://docs.litellm.ai/docs/proxy/configs