| Thijs ter Horst | |
| Birth Date: | 18 September 1991 |
| Birth Place: | Almelo, Netherlands |
| Height: | 2.04 m |
| Weight: | 94 kg |
| Spike: | 364 cm |
| Block: | 344 cm |
| Position: | Outside hitter |
| Currentclub: | Suwon KEPCO Vixtorm |
| Currentnumber: | 4 |
| Years: | 2010–2011 2011–2014 2014–2016 2016–2019 2019–2020 2020–2022 2022– |
| Teams: | Orion Doetinchem Verona Volley Volley Piacenza Samsung Bluefangs Consar Ravenna Sir Safety Perugia Suwon KEPCO Vixtorm |
| Nationalyears: | 2011– |
Thijs ter Horst (born 18 September 1991) is a Dutch professional volleyball player who plays as an outside hitter for Suwon KEPCO Vixtorm and the Netherlands national team.
Thijs ter Horst was born and raised in the eastern part of the Netherlands, where he started playing volleyball in 1998 in Flash Nijverdal.