BSF may refer to:
BSF is the callsign of the time signal transmitter for Taiwan, which transmits time information on 77.5 kHz in the longwave range, and 5 MHz & 15 MHz in the shortwave range from Chung-Li.
BSF UAVs are Chinese UAVs developed by Changchun Blue Sky Focus Science and Technology Co., Ltd. (BSF, 长春蓝天焦点科技有限公司).
Blackout is the fifth studio album by American singer Britney Spears. It was released on October 25, 2007, by Jive Records and the Zomba Label Group.
Hermetia illucens, the black soldier fly, is a common and widespread fly of the family Stratiomyidae. The larvae and adults are considered neither pests nor vectors.
The interleukin 4 (IL4, IL-4) is a cytokine that induces differentiation of naive helper T cells (Th0 cells) to Th2 cells.