diff --git a/erpnext/controllers/queries.py b/erpnext/controllers/queries.py
index 492726141ee..1f8fda36cce 100644
--- a/erpnext/controllers/queries.py
+++ b/erpnext/controllers/queries.py
@@ -73,14 +73,17 @@ def employee_query(
 		.where(Criterion.any(search_conditions))
 		.orderby(
 			Case()
-			.when(Locate(txt_no_percent, Employee.name) > 0, Locate(txt_no_percent, Employee.name))
+			.when(
+				Locate(Lower(txt_no_percent), Lower(Employee.name)) > 0,
+				Locate(Lower(txt_no_percent), Lower(Employee.name)),
+			)
 			.else_(99999)
 		)
 		.orderby(
 			Case()
 			.when(
-				Locate(txt_no_percent, Employee.employee_name) > 0,
-				Locate(txt_no_percent, Employee.employee_name),
+				Locate(Lower(txt_no_percent), Lower(Employee.employee_name)) > 0,
+				Locate(Lower(txt_no_percent), Lower(Employee.employee_name)),
 			)
 			.else_(99999)
 		)
@@ -136,17 +139,28 @@ def lead_query(
 		query.where(Lead.docstatus < 2)
 		.where(Lead.status.isnull() | (Lead.status != "Converted"))
 		.where(Criterion.any(search_conditions))
-		.orderby(
-			Case().when(Locate(txt_no_percent, Lead.name) > 0, Locate(txt_no_percent, Lead.name)).else_(99999)
-		)
 		.orderby(
 			Case()
-			.when(Locate(txt_no_percent, Lead.lead_name) > 0, Locate(txt_no_percent, Lead.lead_name))
+			.when(
+				Locate(Lower(txt_no_percent), Lower(Lead.name)) > 0,
+				Locate(Lower(txt_no_percent), Lower(Lead.name)),
+			)
 			.else_(99999)
 		)
 		.orderby(
 			Case()
-			.when(Locate(txt_no_percent, Lead.company_name) > 0, Locate(txt_no_percent, Lead.company_name))
+			.when(
+				Locate(Lower(txt_no_percent), Lower(Lead.lead_name)) > 0,
+				Locate(Lower(txt_no_percent), Lower(Lead.lead_name)),
+			)
+			.else_(99999)
+		)
+		.orderby(
+			Case()
+			.when(
+				Locate(Lower(txt_no_percent), Lower(Lead.company_name)) > 0,
+				Locate(Lower(txt_no_percent), Lower(Lead.company_name)),
+			)
 			.else_(99999)
 		)
 		.orderby(Lead.idx, order=Order.desc)
@@ -387,7 +401,12 @@ def bom(
 		.where(BOM.is_active == 1)
 		.where(BOM[searchfield].like(f"%{txt}%"))
 		.orderby(
-			Case().when(Locate(txt_no_percent, BOM.name) > 0, Locate(txt_no_percent, BOM.name)).else_(99999)
+			Case()
+			.when(
+				Locate(Lower(txt_no_percent), Lower(BOM.name)) > 0,
+				Locate(Lower(txt_no_percent), Lower(BOM.name)),
+			)
+			.else_(99999)
 		)
 		.orderby(BOM.idx, order=Order.desc)
 		.orderby(BOM.name)