Larisa Virginia Hovannisian (née Ryan; Armenian: Լարիսա Վիրջինիա Հովհաննիսյան; born 21 October 1988) is an Armenian-American social entrepreneur.

Hovannisian serves on the Board of Kizazi, a nonprofit organization empowering young leaders in Africa and Central and Southern Asia.

Founded in 2013, Teach For Armenia is a nonprofit organization catalyzing a nationwide movement of impact-driven leaders expanding educational opportunities to all children in Armenia and Artsakh.The organization recruits and trains  university graduates and professionals, known as "Teacher-Leaders," to commit to teaching in underserved schools for two years across Armenia and Artsakh.

Together with their alumni community of teachers and students, the organization is fueling a movement to end educational inequity in the country.

In 2015 Hovannisian recorded an Armenian lullaby, "Ari Im Sokhag", with Serj Tankian, the lead vocalist of Grammy Award winning rock band System of a Down.