Patrick "Pat" McQuaid (born 5 September 1949 in Dublin, Ireland) is an Irish former road racing cyclist who served as the president of the Union Cycliste Internationale from 2005 to 2013.

He had a strong amateur career and a brief professional period before moving into race promotion and administration in Ireland and globally, serving four years as head of Irish cycling's governing body, and later two four-year terms as president of the world governing body, the Union Cycliste Internationale (UCI). He also served three years as a member of the International Olympic Committee. McQuaid is also a qualified secondary school teacher.