托斯亚是土耳其的城镇，由卡斯塔莫努省负责管辖，位于该国北部，面积1,186平方公里，海拔高度1,231米，主要经济活动有种植稻米和木材业，2000年人口23,257。

维基共享资源中有关托斯亚的多媒体资源

• Tosya Municipality （土耳其文）
• District governorship official website （土耳其文）

Tosya (Ottoman Turkish:طوسيه‎) is a town and district of Kastamonu Province in the Black Sea region of Turkey. According to the 2000 census, the population of the district is 41,995. About 30,000 live in the town of Tosya. The district covers an area of 1,186 km (458 sq mi), and the town lies at an elevation of 1,231 m (4,039 ft). The district produces a third of Turkey's total rice harvest. Timber is another important industry in Tosya.