Sutthisak Singkhon

{{short description|Thai decathlete}}

{{Use dmy dates|date=September 2018}}

{{Infobox sportsperson

| name = Sutthisak Singkhon

| image = Sutthisak Singkhon 2017.jpg

| imagesize = 220px

| caption = Singkhon at the 2017 Asian Championships

| fullname =

| birth_date = {{birth date and age|1996|10|5|df=yes}}

| birth_place = Maha Sarakham, Thailand

| height = 1.90 m[https://en.asiangames2018.id/athletes/athlete/SINGKHON-Suttisak-3001546/ Sutthisak Singkhon]. asiangames2018.id

| weight = 90 kg

| alma_mater = Thammasat University

| sport = Athletics

| event = Decathlon

| club =

| coach = Vyacheslav Kovitskiy

| education =

| medaltemplates =

{{MedalCountry| {{THA}} }}

{{MedalSport | Men's athletics}}

{{MedalCompetition | Universiade}}

{{MedalBronze|2019 Naples|Decathlon}}

{{MedalCompetition|Asian Championships}}

{{MedalGold| 2017 Bhubaneswar|Decathlon}}

{{MedalCompetition|Asian Games}}

{{MedalSilver| 2018 Jakarta-Palembang|Decathlon}}

{{MedalCompetition|Asian Indoor and Martial Arts Games}}

{{MedalSilver| 2017 Ashgabat|Heptathlon}}

{{Medal|Competition|Southeast Asian Games}}

{{Medal|Gold | 2021 Hanoi | Decathlon}}

{{MedalGold |2023 Cambodia|Decathlon}}

{{MedalSilver | 2017 Kuala Lumpur | Decathlon}}

{{MedalBronze | 2019 Philippines | Long jump}}

}}

Sutthisak Singkhon ({{langx|th|สุทธิศักดิ์ สิงขร}}; born 5 October 1996) is a Thai decathlete.{{World Athletics}} He competed at the 2017 World Championships dropping out after four events. Earlier that year, he won the gold medal at the 2017 Asian Championships, where he set a national record. He won a silver medal at the 2018 Asian Games.