This is a list of notable people who are ufologists (UFO researchers).
Juan Posadas, (1912–1981), Trotskyist theorist who blended together Trotskyism and Ufology. Posadas' version of Trotskyism is regarded as its own strain, and called Posadism.
Fabio Zerpa, (1928–2019), parapsychologist and UFO researcher.
Ademar José Gevaerd (b. 1962)
Paul Hellyer, (1923–2021), Canadian Defense Minister.
Stanton Friedman, (1934–2019), U.S. born Canadian ufologist, former nuclear physicist, did early research on Roswell and also MJ-12 documents.
Igor Volke (b. 1950), ufologist and researcher of environmental anomalies
Jacques Bergier (1912–1978), writer, co-wrote the best-seller The Morning of the Magicians.
Rémy Chauvin (1913–2009), biologist and entomologist.
Robert Charroux (1909–1978), writer, promoted the Ancient astronauts theory.
Aimé Michel (1919–1992), writer and ufologist.
Jacques Vallée (b. 1939) computer scientist and author, important figure in the UFO studies in France and in the United States. Promoted the extraterrestrial hypothesis and later the interdimensional hypothesis.
J. Salatun, (1927–2012), pioneer of UFO research in Indonesia.
Monsignor Corrado Balducci, (1923–2008), Roman Catholic theologian of the Vatican Curia long time exorcist for the Archdiocese of Rome.
Jaime Maussan, (b. 1953), Mexican journalist and ufologist.
Dan Apostol, (1957–2013), writer and researcher specialized in several domains.
Doru Davidovici, (1945–1989), fighter pilot and writer. Author of the best-seller Lumi Galactice – colegii mei din neștiut ("Glactic worlds – my colleagues from the unknown")
Ion Hobana (1931–2011), science fiction writer, literary critic and ufologist.
Iker Jiménez Elizari (b. 1973), journalist born in the Basque city of Vitoria. He's licensed in Sciences of the Information by the Complutensian University of Madrid and the European University of Madrid. His wife, Carmen Porter, is also a journalist and investigator on paranormal activity; both work together in the show Cuarto Milenio, in the TV network Cuatro, and its radio version Milenio 3 in Cadena SER, about paranormal activity, Ufology and other mysteries.