A liquid control apparatus that controls a spread of a liquid has a main body that has a supply subject surface onto which the liquid is supplied. The apparatus also has a mesh form body that is woven into a mesh form and provided to contact the supply subject surface. A heater that heats the supply subject surface is provided in an interior of the main body. A supply port is provided in the main body to supply the liquid from the interior of the main body to a part of the supply subject surface contacted by the mesh form body. A groove is provided in the supply subject surface to suppress spreading of the liquid from the supply port to a side opposite to the heater in an expanse direction of the supply subject surface.