Southbury is a town in New Haven County, Connecticut, United States

Southbury also refers to:

In Connecticut Southbury Historic District No. 1 Southbury Training School

In Enfield, Greater London Southbury Loop, a loop line running through Southbury station Southbury railway station Southbury Road, an east–west road in Enfield, in which the station is located Southbury (ward), electoral ward in Enfield

Other uses The Southbury Child, a play