Helena Mannervesi

{{short description|Finnish orienteering competitor}}

{{MedalTableTop | medals =

{{MedalSport | Women's orienteering }}

{{MedalCountry| {{FIN}} }}

{{MedalCompetition | World Championships }}

{{MedalSilver | 1981 Thun | Relay }}

}}

Helena Mannervesi (born 1946) is a Finnish orienteering competitor. She received a silver medal in the relay event at the 1981 World Orienteering Championships in Thun together with Marita Ruoho, Liisa Veijalainen and Outi Borgenström.{{cite web|url=http://www.orienteering.org/i3/index.php?/iof2006/results/foot_orienteering/world_orienteering_championships |title=World Orienteering Championships |accessdate=7 January 2009 |work=International Orienteering Federation |url-status=dead |archiveurl=https://web.archive.org/web/20070818001833/http://www.orienteering.org/i3/index.php?%2Fiof2006%2Fresults%2Ffoot_orienteering%2Fworld_orienteering_championships |archivedate=18 August 2007 }}