Biotron may refer to:
Biotron, a controlled ecological life-support system used for studying a living organism's response to specific environmental conditions or to produce uniform organisms for use in experiments Space Environment Simulation Laboratory Biotron (Wisconsin), at the University of Wisconsin-Madison Biotron (Western University) at the University of Western Ontario run by Norman Hüner and Brian Branfireun Phytotron at the California Institute of Technology The biotron at the The biotron at the University of Alberta Biotron Limited, an Austrian biotech company and creator of BIT225 The robot co-pilot in Micronauts (comics) A negative resistance vacuum tube invented by John Scott-Taggart