Su esposa diurna () is a 1944 Argentine romantic comedy film of the classical era of Argentine cinema, directed by Enrique Cahen Salaberry. It stars Alejandro Flores, Jacqueline Dumont, Francisco ÃÂlvarez and Nury Montsé. The script was written by Alejandro Verbitsky and Emilio Villalba Welsh.
An entomologist and a gym teacher who pretend to be married to get a grant and go on a scientific expedition end up falling in love.
La Nación found the film entertaining and funny and critic Roland opined in Diario CrÃÂtica that the film "has the uncommon quality of its permanent ameneity".