The Underground Man may refer to:

• The Underground Man, a 1971 novel by Ross Macdonald
• The Underground Man (novel), a 1997 English novel by Mick Jackson
• The narrator of Notes from Underground, an 1864 Russian short novel by Fyodor Dostoevsky
• The Underground Man (1974 film), a 1974 American film by Paul Wendkos
• The Underground Man (1981 film), a 1981 Argentine film by Nicolás Sarquís
• The Underground Man (video game), a 2016 Russian video game

• Eugenio Kincaid
• Eugenio Konrad
• Eugenio Lamanna
• Eugenio Leal
• Eugenio Leal Vargas
• Eugenio Lopez (disambiguation)
• Eugenio Lopez, Jr. Communications Center
• Eugenio Lopez Sr.
• Eugenio Maria De Hostos Airport
• Eugenio Maria de Hostos, Dominican Republic
• Eugenio Maria de Hostos School of Law
• Eugenio Maria de Hostos University
• Eugenio María de Hostos (Duarte)
• Eugenio María de Hostos School of Law
• Eugenio M. de Hostos Airport
• Eugenio Mena
• Eugenio Miccini
• Eugenio Montejo
• Eugenio Monti olympic track
• Eugenio Morel
• Eugenio Onate
• Eugenio Onate Ibanez de Navarra
• Eugenio Oñate
• Eugenio Oñate Ibañez de Navarra
• Eugenio Pacelli's 1936 visit to the United States