Nimmo is a surname of Irish/Scottish origin. People with that name include:
Alexander Nimmo (1783–1832), Scottish engineer and architect
Alison Nimmo (born 1964), Chief Executive of the Crown Estate
Bill Nimmo (1917–2011), American television and radio personality
Bob Nimmo (Robert P. Nimmo, 1922–2005), American military officer and politician
Brad Nimmo (born 1959), Australian rules footballer
Brandon Nimmo (born 1993), minor league baseball outfielder in the New York Mets organization
Derek Nimmo (1930–99), English character actor
Dorothy Nimmo (1932–2001), British poet
Francis Nimmo (born before 1993), British planetary scientist
Ian Nimmo (born 1985), Scottish rugby union player
James Nimmo (1912–84), Australian public servant and policy maker
Jenny Nimmo (born 1944), English author of children's books
John Nimmo (disambiguation), multiple people
Julie Wilson-Nimmo (born 1974), Scottish actress
Lance Nimmo (born 1982), American football player
Les Nimmo (1897–1972), Australian politician
Liam Nimmo (born 1984), English footballer
Pamela Nimmo (born 1977), Scottish professional squash player
Robert Harold Nimmo (1893–1966), Australian soldier
Willie Nimmo (1934–1991), Scottish footballer