| W.T.P. Simarmata | |
| Birth Name: | Willem Tumpal Pandapotan Simarmata |
| Birth Date: | 4 July 1954 |
| Birth Place: | , North Tapanuli Regency, Indonesia |
| Death Place: | Medan, Indonesia |
| Nationality: | Indonesian |
| Occupation: | Theologian |
| Education: | HKBP Nommensen University Silliman University |
| Otherparty: | GMKI |
| Office: | Member of the Regional Representative Council |
| Term Start: | 1 October 2019 |
| Term End: | 17 June 2022 |
Willem Tumpal Pandapotan Simarmata (4 July 1954 – 17 June 2022) was an Indonesian politician.
He served in the Regional Representative Council from 2019 to 2022.[1]
Simarmata died in Medan on 17 June 2022 at the age of 67.[2]