diff --git a/frappe/public/js/frappe/form/controls/multiselect_list.js b/frappe/public/js/frappe/form/controls/multiselect_list.js
index b26b9ecb3d..bb4ed56f94 100644
--- a/frappe/public/js/frappe/form/controls/multiselect_list.js
+++ b/frappe/public/js/frappe/form/controls/multiselect_list.js
@@ -14,7 +14,10 @@ frappe.ui.form.ControlMultiSelectList = class ControlMultiSelectList extends (
 					</li>
 					<div class="selectable-items">
 					</div>
-					<li class="text-right">
+					<li class="d-flex justify-content-end">
+						<button class="btn btn-secondary btn-xs select-all-options text-nowrap mr-2">
+							${__("Select All")}
+						</button>
 						<button class="btn btn-primary btn-xs clear-selections text-nowrap">
 							${__("Clear All")}
     					</button>
@@ -39,6 +42,9 @@ frappe.ui.form.ControlMultiSelectList = class ControlMultiSelectList extends (
 		this.$list_wrapper.on("click", ".clear-selections", (e) => {
 			this.clear_all_selections();
 		});
+		this.$list_wrapper.on("click", ".select-all-options", (e) => {
+			this.select_all_options();
+		});
 		this.$list_wrapper.on("click", ".selectable-item", (e) => {
 			let $target = $(e.currentTarget);
 			this.toggle_select_item($target);
@@ -131,6 +137,14 @@ frappe.ui.form.ControlMultiSelectList = class ControlMultiSelectList extends (
 		this.parse_validate_and_set_in_model("");
 	}
 
+	select_all_options() {
+		this.values = this._options.map((opt) => opt.value);
+		this._selected_values = this._options.slice();
+		this.update_status();
+		this.set_selectable_items(this._options);
+		this.parse_validate_and_set_in_model("");
+	}
+
 	toggle_select_item($selectable_item) {
 		$selectable_item.toggleClass("selected");
 		let value = decodeURIComponent($selectable_item.data().value);