| Honorific-Prefix: | Hon. |
| K. Kader Masthan | |
| Native Name: | காதர் மஸ்தான் කාදර් මස්තාන් |
| Honorific-Suffix: | [State Minister of Rural Economy] |
| Office1: | Vanni District |
| Term Start1: | 2020 |
| Party: | Sri Lanka Podujana Peramuna |
| Otherparty: | Sri Lanka People's Freedom Alliance |
K. Kader Masthan is a Sri Lankan politician and a member of the Sri Lankan parliament from Vanni Electoral District as a member of the Sri Lanka Podujana Peramuna and [State Minister of Rural Economy]].[1]