The result of helminthological investigation of 25 Eurasian water shrews during 1996-2011 in South-West Belarus is presented. Sixteen species of helminths (8 species of trematodes, 3 species of cestodes and 5 species of nematodes) were discovered in 92.0 % of animals (23 infected individuals). The most common species is the trematode Neoglyphe locellus (Kossack, 1910). The cestode Triodontolepis sumavensis (Prokopič, 1957), nematodes Capillaria konstantini Romashov, 1999 and Longistriata neomi Lubarskaja, 1962 is specified in Belarus for the first time. Twenty-one species of helminths in total were found by helminthologists in this mammal in South-West Belarus in the period 1960-2011.