The 23rd Arabian Gulf Cup was the 23rd edition of the biennial football competition for the eight members of the Arab Gulf Cup Football Federation. It took place in Kuwait from 22 December 2017 until 5 January 2018. Oman won their second title, defeating the United Arab Emirates in the final on penalties following a goalless draw.

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.