Alex Marcou (born 6 July 1958) is a former Australian rules footballer. He played with Carlton and St Kilda in the Victorian Football League (VFL) during the 1980s. Marcou is a member of the Carlton Hall of Fame and represented Victoria at interstate football on three occasions. Marcou made his VFL debut for Carlton at the age of 20 in 1979, kicking 34 goals and finishing the year a premiership player. He was a rover and played in premiership winning sides again in 1981 and 1982.