Maritta Tuulikki Koivunen Bylund (born 8 April 1947) is a Finnish-Swedish theologian.

[1][2] Koivunen Bylund was born on 19 July 1947 in Turku, south-western Finland,[3] and grew up in Rauma where she matriculated from the girls' high school (Rauman tyttölyseo) in 1967.

After graduating in theology from Åbo Akademi University in 1971, she was ordained a priest in the Diocese of Lund, Sweden, in the same year.

[2] In 1973, she became the principal diocesan curate in Lund, gaining a similar position in Växjö the following year.

Her doctoral dissertation, with the title ”Frukta icke, allenast tro”: Ebba Boström och Samariterhemmet 1882–1902 (“Fear not, believe only”: Ebba Boström and the Samaritan Home, 1882–1902)[4] is an interdisciplinary work within women's history and practical theology, which investigates the history of the charitable institution Samariterhemmet in Uppsala.