https://www.guinnessworldrecords.com/search/Details/Youngest-photographer/66135.htm

The youngest professional photographer is Rirendra Shrestha (Nepal b. 29 December 2004) who was 2 years and 2 days old at the time of exhibiting and selling his work at Nepal Art council situated at Babr Mahal, Nepal on 31 December 2006 to 03 January 2007.