Grégoire Maertens is a Belgian Esperantist who was a member of the Estraro for the UEA from 1977 until 1992. From 1980 until 1986, he was president of the UEA, and an honorary member from 1993 onwards.
- Occupation
- Esperantist
- Position held
- President of the Universal Esperanto Association, Universal Esperanto Association committee member, board member of UEA
- Citizenship
- Belgium
- Born
- January 1, 1924
