Marek Ochlak (born 14 March 1966) is a Polish prelate of the Catholic Church who has served as Bishop of Fenoarivo Atsinanana since April 2025.
Ochlak was born in Nowe Miasto Lubawskie on 14 March 1966. From 1981 to 1985, he studied at the Oblate minor seminary in Markowice near Inowrocà Âaw. In 1985 he joined the Missionary Oblates of Mary Immaculate and began his novitiate in Kodeà Â. On 8 September 1986 he made his first religious profession. From 1986 to 1992, he studied philosophy and theology at the Major Seminary of the Missionary Oblates of Mary Immaculate in Obra, where he made his perpetual vows on 8 September 1990. On 15 June 1991, Zdzisà Âaw Fortuniak, auxiliary bishop of Poznaà Â, ordained Ochlak a diaconate, and on 20 June 1992, he ordained him a priest.
From 1992 to 1994, Ochlak worked as a vicar in the parish of St. Eugene in KÃÂdzierzyn-Koà ºle. Then he took a French language course in Paris and in August 1995 went to Madagascar. In 1995âÂÂ1996 he completed a course in Malagasy language and culture in Antananarivo-Soavimbahoace. From 1996 to 2001 he served in Marolambo (from 1999 as superior), from 2001 to 2009 in Toamasina (from 2006 as superior and parish priest), from 2009 to 2015 in Antananarivo-Soavimbahoace (as superior of the Missionary Oblates in Madagascar and Réunion Island), and from 2016 to 2021 on the Befasa mission. He contributed to improving the situation of local communities, among other things, through: He built wells, waterworks, schools, chapels, the Wanda Bà Âeà Âska Hospital, and renovated the Church of St. Teresa of the Child Jesus in the central mission. In 2021, he returned to Poland, where he assumed the position of director of the Missionary Oblates' Mission Procura in Poznaà Â. In 2023, he was elected superior of the Polish Province of the Missionary Oblates.
On 17 April 2025, Ochlak was appointed by Pope Francis as bishop of Fenoarivo Atsinanana, marking the last episcopal appointment made by the latter, four days before he died. On 6 July, he was consecrated a bishop by Cardinal Tomasz Grysa at the Oblate Church of St. Joseph in Gdaà Âsk, adopting the words "Adveniat Regnum Tuum" (Thy Kingdom Come) as his episcopal motto. The ingress took place on 10 August 2025, at Sahavola Stadium.