Thantub Suksumrarn

Country (sports)	Thailand
Born	(2001-05-18) 18 May 2001 (age 24) Lopburi, Thailand
Plays	Right-handed (two-handed backhand)
Prize money	$26,552
Singles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	1 ITF
Highest ranking	No. 950 (1 December 2025)
Current ranking	No. 950 (1 December 2025)
Grand Slam singles results
Australian Open Junior	1R (2019)
Wimbledon Junior	Q1 (2019)
Doubles
Career record	1–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	2 ITF
Highest ranking	No. 530 (1 December 2025)
Current ranking	No. 530 (1 December 2025)
Grand Slam doubles results
Australian Open Junior	QF (2019)
Team competitions
Davis Cup	1–0
Medal record Men's tennis Representing  Thailand Southeast Asian Games 2023 Cambodia Team
Last updated on: 1 December 2025.

Thantub Suksumrarn (Thai: ฐานทัพ สุขสำราญ, born 18 May 2001) is a Thai tennis player. Suksumrarn has a career high ATP singles ranking of No. 950 achieved on 1 December 2025 and a career high ATP doubles ranking of No. 530 achieved on 1 December 2025.

Suksumrarn has won two ITF doubles titles.

Suksumrarn represents Thailand at the Davis Cup, where he has a W/L record of 1–0.^[1]

• Thantub Suksumrarn at the Association of Tennis Professionals
• Thantub Suksumrarn at the International Tennis Federation
• Thantub Suksumrarn at the Davis Cup (archived)