Chong Ka-yan (born 24 November 1993) is a Hong Kong rugby union and sevens player.

[3][4] She featured for Hong Kong in the Montevideo leg of the 2024 Sevens Challenger Series; she scored a hat-trick in her sides seventh place win over Kenya.

[5] She was then named in the squad for the 2024 Hong Kong Sevens to compete in the Melrose Claymore challenge.

[8] Chong was named in Hong Kong's XVs team to the 2017 Women's Rugby World Cup in Ireland where they made their debut.

[9][10][11] At the 2023 Asia Championship she scored a try in Hong Kong's narrow defeat to Kazakhstan in Almaty.