Toshimasa

• Toshimasa Furuta, Japanese astronomer
• Kiminishiki Toshimasa, Japanese sumo wrestler
• Maeda Toshimasa, Japanese samurai
• Nanbu Toshimasa, Japanese samurai and daimyō
• Toshimasa Shimamura, Japanese writer
• Toshimasa Toba, Japanese footballer
• Zaōnishiki Toshimasa, Japanese sumo wrestler