McIlwaine

McIlwaine is a surname. Notable people with the surname include:

• Ellen McIlwaine (1945–2021), American singer-songwriter and musician
• Garry McIlwaine (born 1944), Australian politician
• George Arthren McIlwaine (c. 1905–1930), South African rugby union player
• Henry Read McIlwaine (1864–1934), American librarian
• Johnny McIlwaine (1904–1980), Scottish footballer
• Richard McIlwaine (born 1950), English cricketer
• Richard McIlwaine (educator) (1835–1913), American theologian and college president
• Robert McIlwaine (1924–2015), American lawyer and public official