| Sedili Besar River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Malaysia |
| Subdivision Type2: | State |
| Subdivision Name2: | Johor |
| Subdivision Type3: | District |
| Subdivision Name3: | Kota Tinggi |
| Discharge1 Location: | Teluk Mahkota |
| Mouth: | Teluk Mahkota |
| Mouth Location: | Kota Tinggi District |
| Basin Size: | 271 km2 |
| Bridges: | Haji Mohd Lazim Bridge |
The Sedili Besar River (Malay: Sungai Sedili Besar) is a river in Kota Tinggi District, Johor, Malaysia.[1]
The word besar means large. At the southern end of Teluk Mahkota bay is a smaller river known as Sungai Sedili Kechil. The word kechil means small in Malay language.
The river mouth is situated at the northern end of Teluk Mahkota bay, and empties into the South China Sea. The river has a total drainage basin area of 271 km2.[2]