Nicolas Kluger (born 1978), MD, PhD is a French dermatologist. He performed his residency in dermatology and venereology in Montpellier and Nîmes University hospitals from 2002 to 2008. After specialization, he was an assistant in dermatology in the department of dermatology in Saint-Eloi Hospital, Montpellier university hospital. He performed his PhD thesis in the department of dermatology of the Helsinki University Hospital, Finland on APECED syndrome. He has been an Assistant professor in the department of Dermatology of Helsinki University Hospital until 2025. He is currently practicing at Aava Medical Center in Helsinki and in the department of dermatology of Tampere University Hospital. He is also in charge of the "tattoo complication" consultation in BIchat-Claude Bernard Hospital in Paris, France.
His main fields of interest in dermatology includes health issues related to tattooing, skin of color, internal medicine and skin diseases, sociocultural and psychological aspects of skin diseases.