The 2023–24 Vietnamese National Cup (Vietnamese: Giải bóng đá Cúp Quốc gia 2023–24) (known as the Casper National Cup 2023–24 for sponsorship reasons), was the 32nd edition of the Vietnamese National Football Cup, the premier knockout competition in Vietnamese football.
A total of 25 clubs competed in this edition, including all teams from the top two tiers of the Vietnamese football league system.
The competition began on 24 November 2023 with the first-round matches, and will be concluded on 7 July 2024 with the final.
V.League 1 team Dong A Thanh Hoa, the defending champion after they won the 2023 Vietnamese Cup, having defeated Viettel FC to win their first National Cup title in the history, retained their title after defeating Hanoi FC in this edition's final.
In addition, they also earned their spot in 2024–25 AFC Champions League Two group stage.