Hillar is an Estonian masculine given name and may refer to: Hillar Aarelaid (born 1967), Estonian security officer. Hillar Eller (1939–2010), Estonian politician. Hillar Hein (born 1954), Estonian ski jumper, Nordic combined skier and coach. Hillar Kalda (born 1932), Estonian physician and politician. Hillar Kareva (1931–1992), Estonian composer. Hillar Kärner (1935–2017), Estonian chess player. Hillar Mets (born 1954), Estonian cartoonist, illustrator and animator. Hillar Palamets (1927–2022), Estonian historian and radio presenter.
https://en.wikipedia.org/wiki/Hillar