The Hun Sen Cup was the main football knockout tournament in Cambodia.
The 2018 Hun Sen Cup was the 12th season of the Hun Sen Cup, the premier knockout tournament for association football clubs in Cambodia involving Cambodian League and provincial teams organized by the Football Federation of Cambodia.
Preah Khan Reach Svay Rieng were the defending champions, having beaten Nagaworld 3–0 in the previous season's final.
[1] Each group was played on a single round-robin basis at the pre-selected hosts.
[2] [3] [4] [5] [6] [7] In national stage, matches start from round of 16 and play home-away basis.