Masjid Kassim
| Masjid Kassim | |
|---|---|
Jawi: مسجد قاسم  | |
Masjid Kassim in 2025. The Wisma Indah building is seen directly behind the mosque, attached to it.  | |
| Religion | |
| Affiliation | Sunni Islam | 
| Location | |
| Location | 450 Changi Road, Singapore 419877 | 
| Country | Singapore | 
| Geographic coordinates | 1°19′08″N 103°54′44″E / 1.3189221°N 103.9122453°E | 
| Architecture | |
| Architect(s) | AWP Architects | 
| Funded by | Ahna Mohamed Kassim | 
| Date established | 1920s | 
| Completed | 1999 | 
| Specifications | |
| Capacity | 2,000 | 
| Minaret(s) | 1 | 
Masjid Kassim (Jawi: مسجد قاسم; Kassim Mosque) is a mosque located at both Joo Chiat and Kembangan within the Bedok planning area and residential town in the East Region, Singapore. It was first built in the 1920s under a waqf scheme, before being rebuilt as a larger mosque in 1999. The mosque shares land with the Wisma Indah, a commercial hub.