Tonichi is a town in the Soyopa Municipality, in the eastern region of the Mexican state of Sonora near the Río Yaqui. The elevation is 180 meters.

Tonichi
town
Seal
Country	Mexico
State	Sonora
Municipality	Soyopa Municipality
Government
• Mayor	Arnoldo Moreno Encinas
Population  (2005)
• Total	224
Time zone	UTC-7 (Central Standard Time)
• Summer (DST)	UTC-7 (Central Daylight Time)

The population was 224 in 2005. The Jesuits built Mission Nuestra Señora del Populo de Tonintzi in the 17th century.

The area around Tonichi is rich in minerals.

Near the municipality is the district of charcoal from Santa Clara.

Steve Clemente, actor known for playing villains, and an expert knife-thrower, was born in Tonichi.

28°35′56″N 109°33′56″W / 28.59889°N 109.56556°W / 28.59889; -109.56556