diff --git a/cmd/protoc-gen-openapi/generator/generator.go b/cmd/protoc-gen-openapi/generator/generator.go
index e548ab21..744e295a 100644
--- a/cmd/protoc-gen-openapi/generator/generator.go
+++ b/cmd/protoc-gen-openapi/generator/generator.go
@@ -35,15 +35,16 @@ import (
 )
 
 type Configuration struct {
-	Version         *string
-	Title           *string
-	Description     *string
-	Naming          *string
-	FQSchemaNaming  *bool
-	EnumType        *string
-	CircularDepth   *int
-	DefaultResponse *bool
-	OutputMode      *string
+	Version                  *string
+	Title                    *string
+	Description              *string
+	Naming                   *string
+	FQSchemaNaming           *bool
+	NoRecursiveSchemaNaming  *bool
+	EnumType                 *string
+	CircularDepth            *int
+	DefaultResponse          *bool
+	OutputMode               *string
 }
 
 const (
diff --git a/cmd/protoc-gen-openapi/generator/reflector.go b/cmd/protoc-gen-openapi/generator/reflector.go
index 31a0f930..c0fdc6a2 100644
--- a/cmd/protoc-gen-openapi/generator/reflector.go
+++ b/cmd/protoc-gen-openapi/generator/reflector.go
@@ -46,14 +46,23 @@ func NewOpenAPIv3Reflector(conf Configuration) *OpenAPIv3Reflector {
 }
 
 func (r *OpenAPIv3Reflector) getMessageName(message protoreflect.MessageDescriptor) string {
-	prefix := ""
+	name := string(message.Name())
 	parent := message.Parent()
-
-	if _, ok := parent.(protoreflect.MessageDescriptor); ok {
-		prefix = string(parent.Name()) + "_" + prefix
+	if *r.conf.NoRecursiveSchemaNaming {
+		if msg, ok := parent.(protoreflect.MessageDescriptor); ok {
+			name = string(msg.Name()) + "_" + name
+		}
+		return name
 	}
-
-	return prefix + string(message.Name())
+	for {
+		msg, ok := parent.(protoreflect.MessageDescriptor)
+		if !ok {
+			break
+		}
+		name = string(msg.Name()) + "_" + name
+		parent = msg.Parent()
+	}
+	return name
 }
 
 func (r *OpenAPIv3Reflector) formatMessageName(message protoreflect.MessageDescriptor) string {
diff --git a/cmd/protoc-gen-openapi/main.go b/cmd/protoc-gen-openapi/main.go
index 75405aed..a1cd2275 100644
--- a/cmd/protoc-gen-openapi/main.go
+++ b/cmd/protoc-gen-openapi/main.go
@@ -33,7 +33,8 @@ func main() {
 		Title:           flags.String("title", "", "name of the API"),
 		Description:     flags.String("description", "", "description of the API"),
 		Naming:          flags.String("naming", "json", `naming convention. Use "proto" for passing names directly from the proto files`),
-		FQSchemaNaming:  flags.Bool("fq_schema_naming", false, `schema naming convention. If "true", generates fully-qualified schema names by prefixing them with the proto message package name`),
+		FQSchemaNaming:          flags.Bool("fq_schema_naming", false, `schema naming convention. If "true", generates fully-qualified schema names by prefixing them with the proto message package name`),
+		NoRecursiveSchemaNaming: flags.Bool("no_recursive_schema_naming", false, `if "true", only include the immediate parent message name in schema names instead of the full message hierarchy. This restores the legacy naming behavior where e.g. A.B.C.Request becomes C_Request instead of A_B_C_Request`),
 		EnumType:        flags.String("enum_type", "integer", `type for enum serialization. Use "string" for string-based serialization`),
 		CircularDepth:   flags.Int("depth", 2, "depth of recursion for circular messages"),
 		DefaultResponse: flags.Bool("default_response", true, `add default response. If "true", automatically adds a default response to operations which use the google.rpc.Status message. Useful if you use envoy or grpc-gateway to transcode as they use this type for their default error responses.`),