Peter Nielsen Østbye (February 20, 1855 - Norway—February 2, 1943) was a Norwegian philologist and academic administrator. He taught classical languages and was a proponent of learning the Latin language. He was an education official at Fredrikstad between 1894-1910 and at Drammen between 1910-1926.He is principally known for his translations of Homer's epic poems, the Iliad and the Odyssey from Ancient Greek into Norwegian.