Oliver Ortmann is a German top professional pool player. He is renowned not only as a World Champion in Nine-Ball but also in the resurgent discipline of 14.1 or straight pool.
A native-born Hamburger, Ortmann is one of the most successful European players. He first came to prominence by defeating Steve Mizerak to win the 1989 US Open 14.1 Championship. In 1995, he became the WPA Men's Nine-ball World Champion.
In 2004, Ortmann formed Ortmann Billiards, a company which sells pool products. Two years later he joined the International Pool Tour, and also continued competing in events sanctioned by other organizations. He won the 2007 WPA World Straight Pool Championship defeating Huidji See, 200-171 in the final match. This is his second World title in 12 years. During the tournament Ortmann made the third-highest run of the tournament, 131.