Hugó Veigelsberg (2 November 1869, Pest – 3 August 1949, Budapest) was a noted Hungarian editor and writer who usually published under the pen name Ignotus (Latin for "unknown"). He was known for the lyric individuality of his poems, stories, and sociological works.^[1] In addition to "Ignotus", he also wrote under the pseudonyms "Dixi," "Pató Pál," and "Tar Lorincz".^{[citation needed]}

His works include A Slemil Keservei (1891), Versek (1894), Vallomások (1900), and Végzet, a translation of a novel by the Dutch author Louis Couperus. He also founded the literary magazine Nyugat. His father was the journalist Leó Veigelsberg, and his son Pál (Paul) Ignotus (1901–1978) was a journalist and writer who worked for the BBC during World War II.^[2]