The surname Lessa may refer to:
Adriana Lessa (born 1971), Brazilian actress, singer, television presenter and dancer Anderson Lessa (born 1989), Brazilian footballer Aureliano Lessa (1828–1861), Brazilian poet, adept of the "Ultra-romanticism" movement Elsie Lessa (1912–2000), Brazilian journalist and writer of American descent Fernanda Lessa (born 1977), Brazilian top model Ivan Lessa (1935–2012), Brazilian journalist and writer of American descent Leandro Lessa Azevedo (born 1980), Brazilian striker Orígenes Lessa (1903–1981), Brazilian journalist, novelist and writer Ronnie Lessa (born 1970), Brazilian military police officer William A. Lessa (1908–1987), American academic and anthropologist