This article details the Wrestling at the 2004 Summer Olympics qualifying phase. Host nation Greece has reserved a spot in each of all 18 events, while twelve quotas were allocated to the countries which participated in all three qualification phases but failed to qualify any wrestler. It was based on the results obtained in the three competition phases, taking into consideration nations and continents with no qualified wrestlers. A further 4 invitational places were decided by the Tripartite Commission. Those quotas went to Afghanistan, Palau, Guinea-Bissau and Guam.