List of Famous people named Mariann

Mariann Edgar Budde is the diocesan bishop of the Episcopal Diocese of Washington. She was consecrated as the ninth Bishop of Washington in the Washington National Cathedral on November 12, 2011. Prior to her election as Washington's first female diocesan bishop, she served for 18 years as the rector of St. John's Episcopal Church in Minneapolis, Minnesota.

Mariann Marthinsen is a Norwegian cross-country skier and swimmer. She won a bronze medal at the 2008 Summer Paralympics, and won Norway's only gold medal at 2014 Winter Paralympics.

Mariann Fischer Boel is a Danish politician, serving as European Commissioner for Agriculture and Rural Development from 2004 to 2009. A member of the party Venstre, she had previously been minister of agriculture and foods since 2002, in the government of Anders Fogh Rasmussen.