Todd "Cougar" Grattan (born 7 September 1986) is an Australian professional baseball player currently playing for the Sydney Blue Sox of the Australian Baseball League. He has played with the Blue Sox since 2010 as a relief pitcher. In his first season with the team in 2010, he played in eight games, going 1-0 with a 3.15 ERA. Grattan also played college baseball in Texas and played professionally in Japan.