Regina Cyclone is popular name for tornado that destroyed city Regina in Saskatchewan, Canada on June 30th 1912, around 5:00 pm.

Estimated speed of the wind was 500 mph (800 km/h).

Tornado toll were 28 people dead, hundredths injured, 2,500 left homeless. Around 500 buildings were destroyed or damaged. The tornado started 18 kilometres south of the city and continued for another 12 kilometres north before dissipating.

It is the deadliest tornado in Canadian history.