Janusz Majer (born September 25, 1946) a Polish alpinist, himalaist and traveler.
He is co-founder and co-owner (together with Artur Hajzer) ADD Company the owner Alpinus brand (1993–2001), co-founder of Mount Company – the owner HiMountain brand which produces outdoor clothing and equipment and co-owner of large chain of HiMountain Chain Shops in Poland.
From 23 November 2013 the head of the program "Polish Himalayas", part of which is the program "Polish Winter Himalaism them.