The name Oneika means ‘someone who is greater than god’ and has African origins. It is a variant of the name Onika. The name Onika is derived from African and Sanskrit. The meaning of Onika is ‘a courageous soldier’. Oneika and Onika both are pronounced as ‘Oni-ka’. There are a few famous people by the name Onika. One is Onika Theola Wallerson, popularly known as Onika Wallerson who is an American cricketer. She debuted for Women’s T20 International (WT20I) for the United States Women's Cricket team in 2019. She is currently part of the United States Women's National Cricket team.