Amsel is a surname. Notable people with the surname include:

Utility of Amsel criteria, Nugent score, and quantitative PCR for Gardnerella vaginalis, Mycoplasma hominis, and Lactobacillus spp...
On the nomenclature of the genus Megalorhipida Amsel, 1935 (Lepidoptera: Pterophoridae, Platyptiliinae)
Amsel Turdus merula fangt Fische
Nonspecific vaginitis. Diagnostic criteria and microbial and epidemiologic associations
The role of frustrative nonreward in noncontinuous reward situations.
Frustrative nonreward in partial reinforcement and discrimination learning: some recent history and a theoretical extension.
Contributions of the basal ganglia and functionally related brain structures to motor learning.
Curved Anaerobic Bacteria in Bacterial (Nonspecific) Vaginosis and Their Response to Antimicrobial Therapy
The development of scientific thinking skills
Anaerobic bacteria in nonspecific vaginitis.