Thailand national under-20 football team

Thailand Under-20
Nickname(s)ช้างศึก
(The War Elephants)
AssociationFootball Association of Thailand
ConfederationAFC (Asia)
Sub-confederationAFF (Southeast Asia)
Head coachVacant
Home stadiumRajamangala Stadium
FIFA codeTHA
First colours
Second colours
Third colours
Biggest win
Thailand 21–0 Northern Mariana Islands 
(Phnom Penh, Cambodia; 6 November 2019)
Biggest defeat
Thailand 1–8 South Korea 
(Dubai, United Arab Emirates; 24 September 1992)
AFC U-20 Asian Cup
Appearances24 (first in 1960)
Best result Champions (1962, 1969)

The Thailand national under-20 football team (Thai: ฟุตบอลทีมชาติไทยรุ่นอายุไม่เกิน 20 ปี, RTGS: futbon thim chat thai run ayu mai koen yi sip pi) is the national team for the under-20 and 19 level, representing Thailand in international football competitions in the FIFA U-20 World Cup, AFC U-20 Asian Cup and AFF U-19 Youth Championship. It is controlled by the Football Association of Thailand.

Thailand is a two-time AFC champions and four-time AFF champions. Thailand has never managed to qualify for the FIFA U-20 World Cup, but the under-17 national team has done so.