Saint Elmo or St. Elmo may refer to:
People Erasmus of Formia or Saint Elmo (died 303), patron saint of sailors Peter González or Saint Elmo (1190–1246), Castilian Dominican friar and priest St. Elmo Brady (1884–1966), first African American to obtain a Ph.D. in chemistry in the United States
Places Malta Fort Saint Elmo, a fortress in Valletta St. Elmo Bridge, a bridge located close to the above fort
United States St. Elmo, Alabama Saint Elmo, Colorado St. Elmo (Columbus, Georgia), a historic residence St. Elmo, Illinois St. Elmo, Louisiana, a community in Ascension Parish, Louisiana St. Elmo, Michigan, a community in Midland County St. Elmo Historic District (Chattanooga, Tennessee) St. Elmo Steak House, a restaurant in Indianapolis, Indiana, U.S.
Organizations St. Elmo Society, a senior secret society at Yale University St. Elmo Hall, a building formerly owned by the St. Elmo Society at Yale University
Fiction St. Elmo (novel), an 1866 novel by Augusta Jane Evans, which spawned numerous silent film adaptations: St. Elmo (1910 Thanhouser film) St. Elmo (1910 Vitagraph film) St. Elmo (1914 film) St. Elmo (1923 American film) St. Elmo (1923 British film) Saint Elmo (comics), a member of the Marvel Comics team Alpha Flight Saint Elmo – Hikari no Raihousha, an anime television special
See also Ida Saint-Elme, pen name of Maria Verfelt (1776–1845), Dutch writer and actress Fort Saint-Elme (France), Collioure Sant'Elmo, a hill and a fortress in Naples, Italy Elmo (disambiguation) San Telmo (disambiguation) Santelmo, a creature of Philippine mythology St. Elmo's Fire (disambiguation) "St. Elmo", a song by the band Geese from their 2023 album 3D Country