Lusin could be one Latinised form of the name of either
- Lu Xun, a Chinese writer, or
- Nikolai Luzin, a Russian mathematician
- Lusin, Venetian name of LoĊĦinj, an island in Croazia
- Lusin, German name of Luzino, a village in Wejherowo County, Pomeranian Voivodeship, in Poland