Şemseddin of Karaman
| Semsettin Beg | |
|---|---|
| بك | |
| Beg of Karamanid | |
| Reign | 1350-1352 |
| Predecessor | Ahmet Bey |
| Successor | Musa Bey |
| Born | 1308 |
| Died | 1352 (aged 46) |
| Father | Ibrahim Bey |
Şemsettin of Karaman (died 1352) was a bey of the Karaman Beylik, a Turkish beylik in Anatolia in the 14th century.
His father was İbrahim Bey. He succeeded his brother Ahmet Bey in 1350. However, his reign was short, and it is believed he was poisoned by one of his brothers in 1352.