David Kaše (born 28 January 1997) is a Czech professional ice hockey forward currently playing for the Lehigh Valley Phantoms in the American Hockey League (AHL) as a prospect to the Philadelphia Flyers of the National Hockey League (NHL). Kaše was drafted in the fifth-round of the 2015 NHL Entry Draft, 128th overall by the Flyers.
Kaše made his Czech Extraliga debut playing with Piráti Chomutov during the 2015–16 Czech Extraliga season. He later transferred as a free agent to continue his development with Mora IK of the Swedish Hockey League.
On 5 May 2018, Kaše agreed to a three-year, entry-level contract with the Philadelphia Flyers. Ahead of the 2018–19 season, Kaše was assigned to the Lehigh Valley Phantoms, the American Hockey League affiliate of the Flyers.
He scored his first NHL goal on December 17, 2019 in the second period of a game against the Anaheim Ducks.