The 5th Arabian Gulf Cup was the fifth edition of the Arabian Gulf Cup. The tournament was held at the Al-Shaab Stadium in Baghdad, Iraq and took place from 23 March to 9 April 1979. Hosts Iraq won their first ever title after defeating Saudi Arabia 2–0, becoming the second team to win the competition after Kuwait.

The Arabian Gulf Cup, often referred to simply as the Gulf Cup, is a biennial football competition governed by the Arab Gulf Cup Football Federation for its eight member nations. The history of the competition has also seen it held every three to four years due to political or organisational problems. The reigning champions are Iraq, having won their fourth title at the 25th edition, as hosts, held in 2023.