Admiral Muhammad Afzal Tahir, (Urdu:محمد افظل طاهر; born 4 January 1949; NI(M)) is a retired four-star rank admiral and the former Chief of Naval Staff (CNS) of Pakistan Navy from October 2005 till October 2008.His four=star appointment came in effect after the retirement of Admiral Shahid Karimullah in 2005 and was succeeded by newly appointment Admiral Noman Bashir on October 2008. Tahir took over the command of Pakistan Navy from Admiral Shahid Karimullah on 7 October 2005, after Karimullah ended his three-year Naval chief tenure. On promotion, Admiral Tahir superseded at least one senior officer, Vice Admiral Mohammad Haroon the then Chief of Staff (COS), but he continued to serve and was later made Vice Chief of Naval Staff (VCNS) on 7 November 2005.