diff --git a/src/go/doc/reader.go b/src/go/doc/reader.go
index 348b9b59a0..7ff868f062 100644
--- a/src/go/doc/reader.go
+++ b/src/go/doc/reader.go
@@ -425,6 +425,11 @@ func (r *reader) readFunc(fun *ast.FuncDecl) {
 				factoryType = t.Elt
 			}
 			if n, imp := baseTypeName(factoryType); !imp && r.isVisible(n) && !r.isPredeclared(n) {
+				if lookupTypeParam(n, fun.Type.TypeParams) != nil {
+					// Issue #49477: don't associate fun with its type parameter result.
+					// A type parameter is not a defined type.
+					continue
+				}
 				if t := r.lookupType(n); t != nil {
 					typ = t
 					numResultTypes++
@@ -446,6 +451,22 @@ func (r *reader) readFunc(fun *ast.FuncDecl) {
 	r.funcs.set(fun, r.mode&PreserveAST != 0)
 }
 
+// lookupTypeParam searches for type parameters named name within the tparams
+// field list, returning the relevant identifier if found, or nil if not.
+func lookupTypeParam(name string, tparams *ast.FieldList) *ast.Ident {
+	if tparams == nil {
+		return nil
+	}
+	for _, field := range tparams.List {
+		for _, id := range field.Names {
+			if id.Name == name {
+				return id
+			}
+		}
+	}
+	return nil
+}
+
 var (
 	noteMarker    = `([A-Z][A-Z]+)\(([^)]+)\):?`                // MARKER(uid), MARKER at least 2 chars, uid at least 1 char
 	noteMarkerRx  = lazyregexp.New(`^[ \t]*` + noteMarker)      // MARKER(uid) at text start
diff --git a/src/go/doc/testdata/generics.0.golden b/src/go/doc/testdata/generics.0.golden
index a6dbcf673c..91c874c84d 100644
--- a/src/go/doc/testdata/generics.0.golden
+++ b/src/go/doc/testdata/generics.0.golden
@@ -14,6 +14,12 @@ FUNCTIONS
 	// Func has an instantiated constraint. 
 	func Func[T Constraint[string, Type[int]]]()
 
+	// Single is not a factory function. 
+	func Single[T any]() *T
+
+	// Slice is not a factory function. 
+	func Slice[T any]() []T
+
 
 TYPES
 	// AFuncType demonstrates filtering of parameters and type ...
diff --git a/src/go/doc/testdata/generics.1.golden b/src/go/doc/testdata/generics.1.golden
index c0548b5e96..923a4ce5d9 100644
--- a/src/go/doc/testdata/generics.1.golden
+++ b/src/go/doc/testdata/generics.1.golden
@@ -14,6 +14,12 @@ FUNCTIONS
 	// Func has an instantiated constraint. 
 	func Func[T Constraint[string, Type[int]]]()
 
+	// Single is not a factory function. 
+	func Single[T any]() *T
+
+	// Slice is not a factory function. 
+	func Slice[T any]() []T
+
 
 TYPES
 	// AFuncType demonstrates filtering of parameters and type ...
diff --git a/src/go/doc/testdata/generics.2.golden b/src/go/doc/testdata/generics.2.golden
index a6dbcf673c..91c874c84d 100644
--- a/src/go/doc/testdata/generics.2.golden
+++ b/src/go/doc/testdata/generics.2.golden
@@ -14,6 +14,12 @@ FUNCTIONS
 	// Func has an instantiated constraint. 
 	func Func[T Constraint[string, Type[int]]]()
 
+	// Single is not a factory function. 
+	func Single[T any]() *T
+
+	// Slice is not a factory function. 
+	func Slice[T any]() []T
+
 
 TYPES
 	// AFuncType demonstrates filtering of parameters and type ...
diff --git a/src/go/doc/testdata/generics.go b/src/go/doc/testdata/generics.go
index b5debba437..ba7187e4dd 100644
--- a/src/go/doc/testdata/generics.go
+++ b/src/go/doc/testdata/generics.go
@@ -59,3 +59,16 @@ func AnotherFunc[T ~struct{ f int }](_ struct{ f int }) {}
 // don't filter type parameters (to be consistent with function declarations),
 // but DO filter the RHS.
 type AFuncType[T ~struct{ f int }] func(_ struct{ f int })
+
+// See issue #49477: type parameters should not be interpreted as named types
+// for the purpose of determining whether a function is a factory function.
+
+// Slice is not a factory function.
+func Slice[T any]() []T {
+	return nil
+}
+
+// Single is not a factory function.
+func Single[T any]() *T {
+	return nil
+}