Patrick Williams or Pat Williams may refer to:

• John Patrick Williams (born 1937), American politician, generally known as Pat Williams
• Patrick Williams (composer) (born 1939), American composer of orchestral works, and songs and themes for film and television
• Pat Williams (director), Canadian television director
• Pat Williams (basketball) (born 1940), American basketball executive, senior vice-president of Orlando Magic; motivational speaker, author and radio host
• Pat Williams (American football) (born 1972), American football player, defensive tackle for Minnesota Vikings and Buffalo Bills
• Patrick Williams (wide receiver) (born 1986), American football player, undrafted rookie wide receiver for the Green Bay Packers

[ Source: Wikipedia ]