Susanna Mkrtchyan (Armenian:Սուսաննա Մկրտչյան), born August 26, 1949 in Yerevan, is an Armenian Wikimedian and a professor of database and system research. She coordinates Wikimedia Armenians who contribute on the Armenian Wikipedia, In 2013 she founded the chapter organizing its first conference the same year. She is the president of the Wikimedia Armenia chapter since its foundation in 2013. In 2015, she received an Honourable mentions in the context of the annual award Wikimedian of the year attributed by Jimmy Wales.