The 1988–89 Santosh Trophy was the 45th edition of the Santosh Trophy, the main State competition for football in India.
It was held in Jorhat, Silchar and Guwahati, in Assam.
Bengal defeated Kerala 5–4 in the tie-breaker in the final to win the competition for the 23rd time.
The top team in each cluster qualified to the quarter final league along with Kerala, Maharastra, Punjab and Karnataka who had qualified for the semifinals the previous year.
This article about an Indian football competition is a stub.