Mervyn Frost FKC (born 1947) is a South African and British political scientist.
In 1996 he moved to England where he was appointed Professor of International Relations at the University of Kent in Canterbury.
They have two daughters, Sarah who is a poet living in Durban and Anna who is a doctor in Cape Town.
Frost developed and elaborated a theory of international relations known as "Constitutive Theory" which he articulated in a number of books and articles including: He edited a 4 volume reference work entitled International Ethics (Sage 2011).
His recent work, with Dr Silviya Lechner, is focused on the "practice turn" in International Relations.