Geremia and Geremias are surnames.
Those bearing them include:
Cristoforo di Geremia (1410–1476), Italian artistNery Geremias Orellana (1985–2011), Honduran journalistPaul Geremia (born 1944), American musicianConceição Geremias (born 1956), Brazilian athleteAndreas Geremia (fl. 1980s), German musician in band Tankard (band)Jérémie Roumegous Geremia (born 1985), French footballer