Rev John Blowick (1888–1972) was an Irish missionary priest and theologian.
He was educated at Westport CBS, and St. Jarlath's College in Tuam, County Galway.
He co-founded the Maynooth Mission to China with Rev Edward Galvin.
In 1918 he founded St Columban's College, Dalgan Park, Shrule, County Galway, as the seminary for the Society, which in 1941 moved to Navan, Co. Meath.
Rev Stephen Blowick was Parish priest of Islandeady in Co. Mayo, Rev Peter Blowick served as Rector of St. Columbans College, and Joseph Blowick became TD for Mayo South, was a founder and leader of Clann na Talmhan a small farmers’ party, serving as Minister of Lands in the inter-party governments of 1948-51 and 1954-57.