Kalmar "Guarnerius" yawanci tana nufin memba na dangin Guarneri, zuriyar masu yin violin na Italiyanci. An yi suna don sana'arsu kuma ana ɗaukar su a cikin manyan masu yin violin a tarihi. Ana amfani da sunan "Guarnerius" sau da yawa don komawa ga kayan aikin da membobin gidan Guarneri suka yi, musamman waɗanda Bartolomeo Giuseppe Guarneri (del Gesù) da mahaifinsa, Andrea Guarneri suka yi. Waɗannan kayan aikin suna da daraja sosai don ingancin sautinsu na musamman kuma ana kimarsu a matsayin wasu mafi kyawun violin da aka taɓa ƙirƙira.