Anton Cathinco Stub Holmboe (born 31 January 1892 in Christiania, died 15 March 1980) was a Norwegian jurist and supreme court justice in the Supreme Court of Norway.
He worked as a secretary in the legal department of the Ministry of Justice from 1917 to 1922 and at the Wine Monopoly from 1922 to 1926.
From 1926 he was employed at Den norske Creditbank as a legal adviser.
He was appointed by the King-in-Council as a supreme court justice in 1945.
He also wrote articles on legal topics, notably on negotiable instrument and cheque law.