diff --git a/azurerm/internal/services/network/resource_arm_route.go b/azurerm/internal/services/network/resource_arm_route.go
index 7cc9d5352056..08d7aaf88da3 100644
--- a/azurerm/internal/services/network/resource_arm_route.go
+++ b/azurerm/internal/services/network/resource_arm_route.go
@@ -40,7 +40,7 @@ func resourceArmRoute() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: validation.StringIsNotEmpty,
+				ValidateFunc: ValidateRouteName,
 			},
 
 			"resource_group_name": azure.SchemaResourceGroupName(),
@@ -49,7 +49,7 @@ func resourceArmRoute() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: validation.StringIsNotEmpty,
+				ValidateFunc: ValidateRouteTableName,
 			},
 
 			"address_prefix": {
diff --git a/azurerm/internal/services/network/resource_arm_route_table.go b/azurerm/internal/services/network/resource_arm_route_table.go
index 1929af641129..356e7729e5dd 100644
--- a/azurerm/internal/services/network/resource_arm_route_table.go
+++ b/azurerm/internal/services/network/resource_arm_route_table.go
@@ -46,7 +46,7 @@ func resourceArmRouteTable() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: validation.StringIsNotEmpty,
+				ValidateFunc: ValidateRouteTableName,
 			},
 
 			"location": azure.SchemaLocation(),
@@ -63,7 +63,7 @@ func resourceArmRouteTable() *schema.Resource {
 						"name": {
 							Type:         schema.TypeString,
 							Required:     true,
-							ValidateFunc: validation.StringIsNotEmpty,
+							ValidateFunc: ValidateRouteName,
 						},
 
 						"address_prefix": {
diff --git a/azurerm/internal/services/network/validate.go b/azurerm/internal/services/network/validate.go
index e5e62e1c9ca8..2f80fa4aca79 100644
--- a/azurerm/internal/services/network/validate.go
+++ b/azurerm/internal/services/network/validate.go
@@ -147,3 +147,20 @@ func ValidatePrivateLinkSubResourceName(i interface{}, k string) (_ []string, er
 
 	return nil, errors
 }
+
+func ValidateRouteTableName(v interface{}, k string) (warnings []string, errors []error) {
+	value := v.(string)
+	if !regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9_.-]{0,78}[a-zA-Z0-9_]?$`).MatchString(value) {
+		errors = append(errors, fmt.Errorf("%q should be between 1 and 80 characters, start with an alphanumeric, end with an alphanumeric or underscore and can contain alphanumerics, underscores, periods, and hyphens", k))
+	}
+
+	return warnings, errors
+}
+
+func ValidateRouteName(v interface{}, k string) (warnings []string, errors []error) {
+	value := v.(string)
+	if !regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9_.-]{0,78}[a-zA-Z0-9_]?$`).MatchString(value) {
+		errors = append(errors, fmt.Errorf("%q should be between 1 and 80 characters, start with an alphanumeric, end with an alphanumeric or underscore and can contain alphanumerics, underscores, periods, and hyphens", k))
+	}
+	return warnings, errors
+}