Nonnie is a given name. Notable people with the name include:
Nonnie Griffin (1933–2019), Canadian actress Nonnie Moore (1922–2009), American fashion editor Nonnie May Stewart (1878–1923), American-born heiress and member of the Greek royal family later known as Princess Anastasia of Greece and Denmark
See also Nonnie & Alex, 1995 short film Nonny Noni (disambiguation)