Blessed Helena Stollenwerk (28 November 1852 - 3 February 1900) was a German Roman Catholic and a professed member of the Sisters Servants of the Holy Spirit of Perpetual Adoration in the religious name of "Maria Virgo".
Stollenwerk collaborated with Saint Arnold Janssen and Blessed Hendrina Stenmanns and co-founded the Missionary Sisters Servants of the Holy Spirit with the two of them.Pope John Paul II presided over the beatification celebration for Stollenwerk in 1995 after naming her a Servant of God on 2 April 1982 and as Venerable in 1991.