Abstract: The invention relates to a device for collecting semen samples, which is configured such that the patient/donor can perform ejaculation and the corresponding semen collection in his own home, for subsequent transfer to a medical centre or laboratory where the semen can be analyzed. The invention is characterized in that it consists of a preferably plastic cylindrical tube including mouth that is provided with a peripheral flange having a rounded edge in order to allow the condom into which the patient/donor ejaculates to be securely fastened thereto, and a closure cover that is screwed onto the cylindrical tube in order to press and secure the semen-filled condom housed inside said tube.