Fröhlich is a German language surname meaning cheerful. Also spelled Froelich, Froehlich, Frohlich or Frolich, the surname may refer to:

Abraham Emanuel Fröhlich, German evangelist, theologian and writer Adolf Froelich, Polish inventor, dentist and officer Albrecht Fröhlich, German Jewish mathematician Fröhlich Prize, prize of the London Mathematical Society, in memory of Albrecht Fröhlich Alexandra Fröhlich (1966 or 1967–2025), German journalist and writer Alfred Fröhlich, Austrian-American pharmacologist and neurologist Alfredo Frohlich, American businessman Charlotta Frölich, Swedish historian and agronomist Danny Frolich, American artist from New Orleans Edward Fröhlich Haskell, scientist and philosopher Erasmus Fröhlich (1700–1758), Austrian Jesuit natural philosopher Eric Froehlich (born 1984), American poker player Erich Froelich (1937–2023), German-Canadian wrestler Eva Margareta Frölich, Swedish-Latvian visionary writer Franz Anton Gottfried Frölich (1805–1878), German entomologist Gertrud Nüsken (born Fröhlich, 1917–1972), German chess master Gustav Fröhlich, German actor Harold E. Froehlich (1923–2007), American engineer who designed deep-diving exploratory submarine Harold Vernon Froehlich, American politician from Wisconsin Herbert Fröhlich (1905–1991), German-born British physicist Jack Froehlich, American rocket scientist Froelich (crater), a crater on the Moon named after him Jacob Frolich (1837-1890), German-born American politician Jean-Pierre Frohlich, American dancer and balletmaster Johannes Frederik Fröhlich (1806–1860), Danish violinist, conductor and composer John Froelich, American inventor of the first gasoline-powered tractor Josef Aloys Frölich (1766–1841), German doctor, botanist and entomologist Jürg Martin Fröhlich, Swiss mathematician and theoretical physicist Katharina Fröhlich (1801–1879), German lover of the poet Franz Grillparzer Linda Fröhlich, German basketball player Michael von Fröhlich (1740–1814), Austrian general Paul Frölich, German politician Paul Froehlich, American politician from Illinois Peter Gay (born Peter Fröhlich), historian Samuel Heinrich Froehlich (1803–1857), evangelist , US Navy minesweeper in commission from 1917 to 1919 Tomasz Froelich (born 1988), German politician

See also Adiposogenital dystrophy, also known as "Babinski-Fröhlich syndrome" or "Frölich's syndrome" Dunkelfelder, grape variety also known as "Farbtraube Froelich" or "Froelich V 4-4" after the grape breeder Gustav Adolf Froelich (1847–1912) Frölicher spectral sequence, a mathematical tool in the theory of complex manifolds Phyllis Frelich, American actress