Casey Frank (born October 23, 1977) is an American-New Zealand former professional basketball player. He played college basketball for the Northern Arizona Lumberjacks before playing in New Zealand and Australia between 2002 and 2016. He was a regular member of the New Zealand Tall Blacks.

Frank was born in Port Jefferson, New York. He attended North High School in Phoenix, Arizona, where he was named as one of the ten all-time greatest boys basketball players in 2015.

Between 1995 and 1999, Frank played college basketball for the Northern Arizona Lumberjacks. In 106 career games, he averaged 10.0 points, 5.6 rebounds and 1.2 assists in 22.7 minutes per game. He was named to the All-Big Sky Conference first team in 1997–98 and 1998–99.

Frank began his professional career in France, playing as an injury replacement for Paris SG during the 1999–2000 LNB Pro A season.

For the 2000–01 season, Frank joined the La Crosse Bobcats of the Continental Basketball Association. In nine games, he averaged 4.7 points, 5.3 rebounds and 1.8 assists per game.

For the 2001–02 season, Frank moved to Sweden to play for Sallen Basket in the Basketligan. In 32 games, he averaged 15.3 points, 8.7 rebounds, 2.3 assists and 1.8 steals per game.

Following the conclusion of the Swedish season, Frank joined the Auckland Stars for the 2002 New Zealand NBL season. He continued with the Stars in 2003.

Frank joined the inaugural New Zealand Breakers team for their debut in the Australian NBL in the 2003–04 season. He was released in November 2003 after appearing in 12 games.