Tosu

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".