Alexander Čejka (born 2 December 1970) is a Czech/German professional golfer.
Čejka was born in Marienbad, Czechoslovakia. He left Czechoslovakia with his parents as a refugee at the age of nine, eventually settling in Munich, where he lived for many years, becoming a German citizen. Čejka currently lives in Las Vegas, Nevada and also has a home in Prague.
Čejka turned professional in 1989 and played on the European Tour from 1992 to 2002. His biggest tournament win was the Volvo Masters at Valderrama in 1995. That year he came 6th on the European Tour's Order Of Merit. Since 2003 he has played mainly on the U.S. based PGA Tour. He has featured in the top 50 of the Official World Golf Rankings.