Tosu or tOSU may refer to:

Cities Tosu, Russia, a selo (village) in Vilyuysky District, Sakha Republic Tosu, Saga, a city in Japan Sagan Tosu, an association football club in Tosu, Saga Shin-Tosu Station, a railway station in Tosu, Saga Tosu Futures, a former football club in Tosu, Saga Tosu Stadium, a football stadium in Tosu, Saga Tosu Station, a railway station in Tosu, Saga Tosu language, in the Qiangic and Tibeto-Burman language groups Toșu, a Romanian surname

Universities Ohio State University, from a marketing tactic used by the university to refer to it as "The Ohio State University".

See also