The present disclosure relates to a base station antenna. The base station antenna comprises: a reflector and radome supports mounted on the reflector, wherein the reflector comprises a body portion and a bent portion, the bent portion including at least a first section that is connected to and bent relative to the body portion of the reflector, wherein one or more arrays of radiating elements are mounted on or above the body portion of the reflector, wherein the radome support includes a support portion for supporting the radome and a mating portion for mating with the reflector, wherein a first support limiting portion is provided on the mating portion of the radome support, a first reflector limiting portion mating with the first support limiting portion is provided on the body portion of the reflector, and the first support limiting portion mates with the first reflector limiting portion to limit at least the position of the radome support in a width direction H. This enables the radome supports to be mounted on the reflector at an efficient and reliable manner.