Lia Alexandrovna Ostrova (Russian: ??? ????????????? ???????; August 3, 1914 in Sochi, Russian Empire – 2009 in Saint Petersburg, Russian Federation) was a Soviet Russian painter, graphic artist and art teacher, a member of the Saint Petersburg Union of Artists (before 1992 — the Leningrad Union of Artists), who lived and worked in Leningrad - Petersburg.
Lia Ostrova regard as one of representatives of the Leningrad school of painting.