The Hun Sen Cup (Khmer: ពានរង្វាន់សម្តេចហ៊ុន សែន) is a Cambodian knockout football cup competition held annually by the Football Federation of Cambodia (FFC).

Preah Khan Reach Svay Rieng are the most successful team in the tournament with five titles, winning their fifth of the competition in the 2024 final after beaten Phnom Penh Crown 1–0.

Besides youth tournaments of certain levels, Cambodian League and Samdech Hun Sen Cup are the highest association football tournaments organized yearly by the Football Federation of Cambodia (FFC).

The Samdech Akka Moha Sena Padei Techo Hun Sen Cup refers to the name of Prime Minister Hun Sen.

The top 8 or 10 teams of Cambodian League enter the group stage while the other teams from Phnom Penh and provinces play in qualification before going through to the group stage.