Mikołaj Jan Manugiewicz (1754 – 25 June 1834) was a Polish Roman Catholic bishop of the Diocese of Augustów.

[2] He completed his studies in Rome after some years and, during his time there, was ordained a priest.

[3] Manugiewicz was later granted an honoris causa doctorate of theology from Vilnius and was made vicar capitular of Warsaw.

[1] He was consecrated on 10 November 1822 by Szczepan Hołowczyc and was co-consecrated by Jan Paweł Woronicz and Józef Koźmian.

[5] Manugiewicz was later appointed bishop of Augustów in late 1825 and assumed control of the diocese on 9 July 1826.