1977-78 Somali military offensive over the disputed Ogaden region of Ethiopia

1977 FIFA World Youth Championship — international football competition

Category:1977 in literature — Wikimedia category

1977 Summer Universiade — multi-sport event in Sofia, Bulgaria

1977 CONCACAF Championship — 1977 edition of the CONCACAF Championship association football competition

1977 European Super Cup — tournament

1977–78 UEFA Cup — 7th season of Europe's secondary club football tournament organised by UEFA

1977 Formula One season — sports season

EuroBasket 1977 — 1977 edition of the FIBA EuroBasket

Eurovision Song Contest 1977 — 22nd Edition of Eurovision Song Contest

1977 in music — overview of music-related events during the year of 1977