McIlwaine
McIlwaine is a surname. Notable people with the surname include:
- Ellen McIlwaine, American singer-songwriter and musician
- Garry McIlwaine, Australian politician
- George Arthren McIlwaine, South African rugby union player
- Henry Read McIlwaine, American librarian
- Johnny McIlwaine, Scottish footballer
- Richard McIlwaine, English cricketer
- Richard McIlwaine (educator), American theologian and college president
- Robert McIlwaine, American lawyer and public official