K. J. Hippensteel (born May 8, 1980) is a retired American tennis player.

Career

Hippensteel attended Stanford University, where he was a four-time All-American. He was the #1 ranked player in NCAA tennis his sophomore and senior year. Before attending Stanford, Hippensteel was a US Open Boys' Doubles champion with eventual Stanford teammate David Martin in 1998. He also has ITF junior wins over Guillermo Coria and Andy Roddick. He reached a career-high ATP singles ranking of World No. 150 in November 2004, before being slowed by elbow and back injuries.

Junior Grand Slam finals

Doubles: 1 (1 title)

ATP Challenger and ITF Futures finals

Singles: 9 (5–4)

Doubles: 9 (7–2)