Friedrich Salomon Perls (July 8, 1893 – March 14, 1970), better known as Fritz Perls, was a German-born psychiatrist, psychoanalyst and psychotherapist.

Alexander Perls Rousmaniere (born May 11, 1976) is an American former musician, entrepreneur, and record producer.

In histology, histopathology, and clinical pathology, Perls Prussian blue is a commonly used method to detect the presence of iron in tissue or cell samples.