TFM may refer to: TFM (radio), North-East England Transformice, a French online game in which the player controls a mouse to get cheese TFM (piscicide), a piscicide Grupo Transportación Ferroviaria Mexicana, a railroad TeX font metric, a font file format Thin-film composite membrane Total fatty matter, a method of describing the quality of soap Transportes Ferroviarios de Madrid, the concessionaire responsible for part of Madrid Metro Line 9 Traction force microscopy, technique for quantifying cell traction in extracellular matrix