Nidhi is a Sanskrit feminine given name and a Thai masculine given name that may refer to the following notable people:
Nidhhi Agerwal, Indian actress and dancer Nidhi Bisht (born 1985), Indian casting director filmmaker, lawyer, actress and writer Nidhi Buley (born 1986), Indian cricketer Nidhi Chanani (born 1980), Indian-American freelance illustrator and artist Nidhi Eoseewong (born 1940), Thai historian, writer, and political commentator Nidhi Goyal (born 1985), Indian disability and gender rights activist Nidhi Jha, Indian actress Nidhi Razdan (born 1977), Indian journalist, television personality and journalist Nidhi Subbaiah (born 1987), Indian film actress and model Nidhi Sunil (born 1987), Indian model and actress, and philanthropist Nidhi Uttam, Indian television and film actress Nidhi Yasha (born 1983), Indian costume designer