| Arthit Sunthornphit | |
| Fullname: | Arthit Sunthornphit |
| Birth Date: | 1986 4, df=y |
| Birth Place: | Khon Kaen, Thailand |
| Currentclub: | Pattaya United |
| Clubnumber: | 7 |
| Position: | Midfielder |
| Youthyears1: | 2001–2003 |
| Youthclubs1: | Assumption College Sriracha |
| Years1: | 2004–2013 |
| Clubs1: | Chonburi |
| Caps1: | 168 |
| Goals1: | 28 |
| Years2: | 2012 |
| Clubs2: | → Wuachon United (loan) |
| Caps2: | 11 |
| Goals2: | 1 |
| Years3: | 2014–2015 |
| Caps3: | 32 |
| Goals3: | 2 |
| Years4: | 2015–2016 |
| Caps4: | 46 |
| Goals4: | 4 |
| Years5: | 2017–2018 |
| Clubs5: | PTT Rayong |
| Caps5: | 29 |
| Goals5: | 5 |
| Years6: | 2019–2021 |
| Caps6: | 53 |
| Goals6: | 5 |
| Years7: | 2021–2022 |
| Caps7: | 34 |
| Goals7: | 4 |
| Years8: | 2022–2023 |
| Clubs8: | Phitsanulok |
| Caps8: | 23 |
| Goals8: | 5 |
| Years9: | 2023–2024 |
| Caps9: | 20 |
| Goals9: | 6 |
| Years10: | 2024– |
| Caps10: | 0 |
| Goals10: | 0 |
| Nationalyears1: | 2007–2009 |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 5 |
| Nationalyears2: | 2008–2013 |
| Nationalcaps2: | 18 |
| Nationalgoals2: | 3 |
| Pcupdate: | 14 January 2024 |
| Ntupdate: | 18 July 2008 |
| Medaltemplates: | |
Arthit Sunthornphit (th|อาทิตย์ สุนทรพิธ, born April 19, 1986), simply known as Bas (th|บาส), is a Thai professional footballer who plays as a midfielder for Thai League 2 club Pattaya United. Arthit is left-footed and is a free kick specialist.
Arthit was a member of the victorious T&T Cup 2008 winning squad.
Arthit was part of Winfried Schäfer's squad in the 2012 AFF Suzuki Cup.
| National team | Year | Apps | Goals |
|---|---|---|---|
| Thailand | 2008 | 7 | 2 |
| 2011 | 2 | 0 | |
| 2013 | 8 | 1 | |
| Total | 17 | 3 |
| Date | Venue | Opponent | Score | Result | Competition | ||
|---|---|---|---|---|---|---|---|
| 1. | December 8, 2008 | Surakul Stadium, Thailand | 3–0 | 6–0 | 2008 AFF Suzuki Cup | ||
| 2. | 4–0 | ||||||
| 3. | November 8, 2012 | SCG Stadium, Thailand | 2–0 | 2–0 | Friendly Match |
Chonburi
Khon Kaen United
Lamphun Warriors
Phitsanulok
Thailand U-23
Thailand