Borromeo is a surname. Notable people with the surname include:
House of Borromeo, an aristocratic family in Milan
Members of the House of Borromeo Andrea Borromeo (c. 1615 – 1683), Theatine priest Charles Borromeo (1538 – 1584), cardinal of the Roman Catholic Church Federico Borromeo (1564 – 1631), archbishop of Milan, cousin of Charles Celia Grillo Borromeo (1684 – 1777), Italian (Genovese) mathematician and scientist Beatrice Borromeo (born 1985), Italian journalist Matilde Borromeo (born 1983), Italian equestrian Agostino Borromeo (1944–2024), Italian professor and historian, General Governor of the Order of the Holy Sepulchre
Other people Alexander Borromeo (born 1983), Filipino football player Charles Borromeo (athlete) (born 1958), Indian track and field athlete Leah Borromeo, British journalist and filmmaker Luis Borromeo or Borromeo Lou, Filipino jazz pianist and vaudeville performer
See also Peschiera Borromeo, a municipality in Milan, Italy Borromean clinic, a model of psychoanalytic practice Collegio Borromeo, a university hall of residence in Pavia, Italy Borromean rings, an arrangement of topological circles Molecular Borromean rings, an interlocked molecular architecture Sisters of Mercy of St. Borromeo, a group of Catholic religious congregations Society of St. Charles Borromeo, a German Catholic literary association Charles Borromeo Church (disambiguation) Borromeo String Quartet