McConchie is a surname. Notable people with the surname include:
Cole McConchie (born 1992), New Zealand cricketer Dan McConchie, American politician Jack McConchie (1910–1998), Australian rules footballer Lorna McConchie (1914–2001), Australian netball player, coach and sports administrator Lyn McConchie (born 1946), New Zealand writer
See also McConchie Ridge, a ridge in Antarctica