Miss Grand International 2023 was the 11th Miss Grand International pageant, held at the Phú Thọ Indoor Stadium in Ho Chi Minh City, Vietnam, on 25 October 2023.

At the end of the event, Isabella Menin of Brazil crowned Luciana Fuster of Peru as Miss Grand International 2023, marking the country's second victory in the pageant's history.

Contestants from sixty-nine countries and territories competed in this year's pageant. The pageant's grand final round was hosted by Thai television personality Matthew Deane, and featured a live performance by Miss Grand International 2022 first runner-up, Engfa Waraha.

On 25 June 2022, the organizer of the Miss Grand International pageant, MGI PCL, announced on their official social media that the 11th edition of the contest was scheduled to be held in Vietnam on 25 October 2023. This will be the second time for Vietnam to host the contest; the first was in 2017 at the Vinpearl Convention Center on Phú Quốc island. The memorandum of understanding signing ceremony between the MGI PCL and the local organizer Sen Vàng Entertainment for the agreement to organize the contest later took place during the press conference of the inaugural edition of Miss Grand Vietnam contest at Sofitel Saigon plaza in Ho Chi Minh City on 7 June 2022, with an international press release at the Saigon South Marina Club on 5 July.

At an additional press conference held on 5 February 2023, it was announced that the pageant would consist of six main sub-events; a best in swimsuit contest, the Vietnam Beauty Fashion Fest, a closed-door interview, a national costume contest, the preliminary competition, and the grand final coronation night, with eventsin cities including Hanoi, Hạ Long, Da Nang, Hội An, Huế, and Ho Chi Minh City, from 3–25 October.

Contestants from sixty-nine countries and territories were selected to compete in the competition. Forty-three of these were selected through their respective national pageants, four were appointed having been runners-up in their national pageants, or were selected through a casting process, twenty-three were appointed to the title without participating in any national pageant. The original representatives of Ecuador, India, Portugal, and Trinidad and Tobago were unable to compete for various reasons, which caused their national directors to promote the runners-up to the title or assign other participants as replacements.

At this competition, six countries were expected to debut. Eleven countries that competed at the 10th edition withdrew due to a lack of national licensees, and eight countries returned to the competition after being absent in previous contests. Initially, seventy-four country and territory franchises confirmed that they would send their candidates to Vietnam. Those that did not compete were Equatorial Guinea (failed to appoint a delegate), Miss Grand Guadeloupe (unknown reasons), Miss Grand South Sudan (visa problems), Miss Grand Sri Lanka (family death), and Miss Grand Portugal (refused to participate).

§ – Voted into the Top 10 by viewers and awarded as Miss Popular Vote
‡ – Voted into the Top 20 by viewers and awarded as Country's Power of the Year