| Sittha Boonlha | |
| Full Name: | Sittha Boonlha |
| Birth Date: | 2 September 2004 |
| Birth Place: | Bangkok, Thailand |
| Height: | 1.86 m |
| Position: | Defensive midfielder |
| Currentclub: | Port |
| Clubnumber: | 47 |
| Youthyears1: | 2015–2017 |
| Youthclubs1: | Muangthong United |
| Youthyears2: | 2018–2021 |
| Youthclubs2: | Assumption College Thonburi |
| Years1: | 2022– |
| Clubs1: | Port |
| Caps1: | 10 |
| Goals1: | 0 |
| Years2: | 2022–2023 |
| Clubs2: | → Customs United (loan) |
| Caps2: | 28 |
| Goals2: | 1 |
| Nationalyears1: | 2019–2020 |
| Nationalteam1: | Thailand U16 |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2022–2023 |
| Nationalteam2: | Thailand U19 |
| Nationalcaps2: | 9 |
| Nationalgoals2: | 1 |
| Nationalyears3: | 2021– |
| Nationalteam3: | Thailand U23 |
| Nationalcaps3: | 14 |
| Nationalgoals3: | 0 |
| Club-Update: | 7 April 2024 |
| Nationalteam-Update: | 28 January 2024 |
Sittha Boonlha (Thai: สิทธา บุญหล้า; born 2 September 2004) is a Thai professional footballer who plays as a defensive midfielder for Thai League 1 club Port.
Sittha was a member of the Muangthong United youth academy before he joined high school team Assumption College Thonburi.[1] After his graduation, he signed for Thai League 1 side Port in January 2022. He made his debut in Port 0–3's defeat against Ulsan Hyundai as part of the 2022 AFC Champions League qualifying play-offs.[2]
In August 2022, Sittha was loaned to Thai League 2 club Customs United.[3] He made a total of 31 league appearances and scored one goal for the club, helping them finished third in the league.[4]
In June 2023, alongside Teerasak Poeiphimai, he was sent abroad to train with Leicester U21 for a month.[4]
Sittha featured in the 2022 AFF U-23 Championship with Thailand U23 and reached the final, where Thailand was defeated 0–1 by Vietnam.[5] [6]
In September 2023, Sittha was named in Thailand Olympic 21-men squad for the 2022 Asian Games.[7] He appeared in three out of four matches during the tournament as Thailand managed to reach the round of 16.[8]