diff --git a/frappe/desk/doctype/custom_html_block/custom_html_block.js b/frappe/desk/doctype/custom_html_block/custom_html_block.js
index 64b794ec44..49f50a72be 100644
--- a/frappe/desk/doctype/custom_html_block/custom_html_block.js
+++ b/frappe/desk/doctype/custom_html_block/custom_html_block.js
@@ -3,6 +3,18 @@
 
 frappe.ui.form.on("Custom HTML Block", {
 	refresh(frm) {
+		if (
+			!has_common(frappe.user_roles, [
+				"Administrator",
+				"System Manager",
+				"Workspace Manager",
+			])
+		) {
+			frm.set_value("private", true);
+		} else {
+			frm.set_df_property("private", "read_only", false);
+		}
+
 		let wrapper = frm.fields_dict["preview"].wrapper;
 		wrapper.classList.add("mb-3");
 
diff --git a/frappe/desk/doctype/custom_html_block/custom_html_block.json b/frappe/desk/doctype/custom_html_block/custom_html_block.json
index 3fab5d7902..8fb06003ce 100644
--- a/frappe/desk/doctype/custom_html_block/custom_html_block.json
+++ b/frappe/desk/doctype/custom_html_block/custom_html_block.json
@@ -6,6 +6,7 @@
  "doctype": "DocType",
  "engine": "InnoDB",
  "field_order": [
+  "private",
   "preview_section",
   "preview",
   "html_section",
@@ -80,11 +81,19 @@
    "fieldtype": "Table",
    "label": "Roles",
    "options": "Has Role"
+  },
+  {
+   "default": "0",
+   "depends_on": "eval: doc.private || doc.__unsaved",
+   "fieldname": "private",
+   "fieldtype": "Check",
+   "label": "Private",
+   "read_only": 1
   }
  ],
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2023-05-29 18:28:28.326843",
+ "modified": "2023-05-30 14:33:31.994738",
  "modified_by": "Administrator",
  "module": "Desk",
  "name": "Custom HTML Block",
diff --git a/frappe/desk/doctype/custom_html_block/custom_html_block.py b/frappe/desk/doctype/custom_html_block/custom_html_block.py
index 7f85c2db5f..2b65ceeaf4 100644
--- a/frappe/desk/doctype/custom_html_block/custom_html_block.py
+++ b/frappe/desk/doctype/custom_html_block/custom_html_block.py
@@ -1,9 +1,25 @@
 # Copyright (c) 2023, Frappe Technologies and contributors
 # For license information, please see license.txt
 
-# import frappe
+import frappe
 from frappe.model.document import Document
+from frappe.query_builder.utils import DocType
 
 
 class CustomHTMLBlock(Document):
 	pass
+
+
+@frappe.whitelist()
+def get_custom_blocks_for_user(doctype, txt, searchfield, start, page_len, filters):
+	# return logged in users private blocks and all public blocks
+	customHTMLBlock = DocType("Custom HTML Block")
+
+	condition_query = frappe.qb.get_query(customHTMLBlock)
+
+	return (
+		condition_query.select(customHTMLBlock.name).where(
+			(customHTMLBlock.private == 0)
+			| ((customHTMLBlock.owner == frappe.session.user) & (customHTMLBlock.private == 1))
+		)
+	).run()
diff --git a/frappe/public/js/frappe/widgets/widget_dialog.js b/frappe/public/js/frappe/widgets/widget_dialog.js
index 4f200f390f..51138a7dc4 100644
--- a/frappe/public/js/frappe/widgets/widget_dialog.js
+++ b/frappe/public/js/frappe/widgets/widget_dialog.js
@@ -715,6 +715,11 @@ class CustomBlockDialog extends WidgetDialog {
 				label: "Custom Block Name",
 				options: "Custom HTML Block",
 				reqd: 1,
+				get_query: () => {
+					return {
+						query: "frappe.desk.doctype.custom_html_block.custom_html_block.get_custom_blocks_for_user",
+					};
+				},
 			},
 		];
 	}