Ayaiga, also known as Ayaigar, Aya-I-Ga, Neighbour or Nipper (c.1882 - 21 June 1954) was a police tracker and stockman in the Northern Territory of Australia.

He was the first Indigenous person to be a recipient of a medal for gallantry in Australia, for saving a policeman from drowning.

[1] In 1911, Ayaiga saved the life of Mounted Police Constable William Johns during a river crossing.

[2] Ayaiga and three other men had been arrested for cattle stealing and was being transported in neck chains by Constable Johns.

While attempting to cross the Wilton River, Johns' horse overturned kicking him in the head and knocking him unconscious.