Ultrasonography is an important imaging tool in the evaluation of the scrotal structures and various scrotal disorders because of excellent anatomic resolution, easy and speedy applicability, and safety with no inonizing radiation. Furthermore, a blood flow information can be obtained by the use of color Doppler ultrasonography and spectral waveform analysis. It plays a primary role in the detection, characterization, and localization of scrotal masses and fluid collections. Knowledge of characteristic imaging findings enables appropriate, expeditious evaluation of various scrotal disorders. The objective of this article is to familiarize the reader with the ultrasonographic features of various scrotal disorders.