Trent Carl Wayne Oeltjen (/ˈtrɛnt ˈʌltʃɛn/; born 28 February 1983 in Sydney, Australia) is an Australian former professional baseball outfielder. He played in Major League Baseball (MLB) for the Arizona Diamondbacks and the Los Angeles Dodgers. He is 6'1" (185 cm) tall and weighs 190 pounds (86 kg). In 2004, he was part of the Australian national baseball team that won a silver medal in the baseball tournament at the Athens Olympics.