Admiral Mohammad Shariff, (Urdu: ايڈميرل محمد شريف; 6 February 1920 – 7 July 2015), (HJ, NI(M), SJ), was a retired four-star admiral who served as the Chief of Naval Staff after taking over the command of Pakistan Navy on 21 March 1979, when a three-star Vice-Admiral, Hasan Hafeez Ahmed, died in office.