| Joop Langhorst | |
| Fullname: | Johan Martinus Langhorst |
| Birth Date: | 21 June 1943 |
| Birth Place: | Rotterdam, Netherlands |
| Death Place: | Groningen, Netherlands |
| Position: | Rightback |
| Youthyears1: | 1954–1966 |
| Youthclubs1: | Sparta Rotterdam |
| Years1: | 1966–1969 |
| Clubs1: | Sparta Rotterdam |
| Caps1: | 68 |
| Goals1: | 0 |
| Years2: | 1969–1970 |
| Clubs2: | S.V.V. |
| Caps2: | 34 |
| Goals2: | 0 |
Johan Martinus "Joop" Langhorst (21 June 1943 – 9 October 2013) was a Dutch professional association football player who played as a right back defender.
Born in Rotterdam, Netherlands, Langhorst debuted with Sparta Rotterdam on 18 December 1966 against Sittardia.[1] He played 68 games in three seasons.[2] In his first season, the club won the KNVB Cup, defeating ADO Den Haag 1–0.[2] In 1969, he signed with S.V.V., where, in his debut season, the team won the Eerste Divisie (First Division) and the championship. Langhorst retired the following season.[2]
Langhorst moved from Rotterdam to Sneek and died in Groningen at age 70 on 9 October 2013.[2]