Wong Hong-kit (Chinese: 王康傑; born 30 August 1998; also known as Jack Wong) is a tennis player from Hong Kong. His younger sister Cody Wong is also a professional tennis player.

Wong has a career high ATP singles ranking of 653 achieved on 31 December 2018. He also has a career high ATP doubles ranking of 648 achieved on 30 September 2019.

Wong represents Hong Kong at the Davis Cup, where he has a W/L record of 14–7.

Result	Date	Tournament	Tier	Surface	Opponents	Score
Loss	Jun 2018	ITF Hong Kong, Hong Kong	25,000	Hard	Yuki Mochizuki	6–4, 2–6, 1–6

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Dec 2016	ITF Hong Kong, Hong Kong	10,000	Hard	Karan Rastogi	Cheng-Peng Hsieh Yeung Pak Long	7–5, 3–6, 4–10
Loss	0–2	Mar 2017	ITF Trivandrum, India	15,000	Clay	Hung Jui-Chen	N.Sriram Balaji Vishnu Vardhan	3–6, 5–7
Loss	0–3	Jul 2017	ITF Hong Kong, Hong Kong	15,000	Hard	Yeung Pak Long	Shintaro Imai Takuto Niki	5–7, 2–6
Loss	0–4	Aug 2017	ITF Nonthaburi, Thailand	15,000	Hard	Yeung Pak Long	Patcharapol Kawin Jirat Navasirisomboon	5–7, 0–6
Loss	0–5	Jan 2019	ITF Anning, China	15,000	Clay	Lee Kuan-Yi	Ti Chen Ray Ho	4–6, 6–3, 8–10
Win	1–5	Feb 2019	ITF Antalya, Turkey	15,000	Clay	Runhao Hua	Felipe Mantilla Cristian Rodríguez	3–0, Retired
Loss	1–6	May 2022	ITF Heraklion, Greece	15,000	Hard	Simon Anthony Ivanov	Shinji Hazawa Shuichi Sekiguchi	4–6, 6–4, 10–12
Loss	1-7	Sep 2023	ITF Hong Kong	25,000	Hard	Coleman Wong	Matsuda Ryuki Son Ji Hoon	5–7, 4–6

• Wong Hong-kit at the Association of Tennis Professionals
• Wong Hong-kit at the Davis Cup
• Wong Hong-kit at the International Tennis Federation