Qaiser Mushtaq (born 28 February 1954), (D.Phil.(Oxon), ASA, KIA), is a Pakistani mathematician and academic who has made numerous contributions in the field of Group theory and Semigroup.
He has been vice-chancellor of The Islamia University Bahawalpur from December 2014 to December 2018.
Mushtaq is one of the leading mathematicians and educationists in Pakistan.
Through his research and writings, he has exercised a profound influence on mathematics in Pakistan.
Mushtaq is an honorary full professor at the Mathematics Division of the Institute for Basic Research, Florida, US.
His research contributions in the fields of group theory and LA-semigroup theory have won him recognition at both national and international levels.
In Graham Higman's words, "he has laid the foundation of coset diagrams for the modular group", to study the actions of groups on various spaces and projective lines over Galois fields.
This work has been cited in the Encyclopedia of Design Theory.