Several metals are used for Knee implants. The allergy of metals used for knee implants is an important issue to be addressed. The bibliometric analysis had been conducted to understand the active authors, organizations, journals, and countries involved in the research domain of “Allergy of knee implants”. All published articles related to “Allergy of knee implants” from “Scopus”, were analyzed using the VOS viewer to develop analysis tables and visualization maps. This article had set the objective to consolidate the scientific literature regarding “Allergy of knee implants” and also to find out the trends related to the same. The most active journals in this research domain were the Contact Dermatitis. The most active countries were Germany and Italy. The leading organization engaged in research regarding knee implants was the Ludwig Maximilian University of Germany. The most active authors were Thomas P.; Arkansan J.N, and Drancourt M.