Ireland qualified five boxers for the Olympic boxing tournament. Barnes became the first when he qualified at the World Championships. Nevin was the second, qualifying at the first European qualifying event. Joyce, Sutherland, and Egan brought the number to five at the 2nd European tournament.
Canoeing
Ireland qualified one competitor in slalom canoeing. Eoin Rheinisch qualified an Irish boat in slalom kayak event after finishing seventeenth in the 2007 World Championships. Ireland did not have any competitors in the flatwater events.
Although Ireland did not qualify for the team event in the 2008 Olympics, as a result of having 5 individual riding spots qualify, they were automatically entered into the team event. # - Indicates that points do not count in team total
Show jumping
As a result of Jessica Kürten's world ranking, Ireland earned one individual place in show jumping at the 2008 games. As Kürten opted not to ride in the Olympics, the place was awarded to Denis Lynch. Lynch and his mount Lantinus progressed to the finals stage. However, along with riders and horses from four other finalists, Lynch was suspended from taking part in the final, following a positive test for a banned substance.
Fencing
Ireland qualified one berth in sabre fencing. Siobhan Byrne secured her place in the Olympics by winning silver at the qualifying tournament in Istanbul in April. ;Women
Rowing
Ireland qualified with two boats for the rowing events. The men's coxless four qualified for the Olympics by finishing tenth at the 2007 World Championships. The men's lightweight coxless four team also granted their berth by finishing second at the last Olympic qualifying regatta in Poznań in June 2008 to complete the team line-up. ;Men Qualification Legend: FA=Final A ; FB=Final B ; FC=Final C ; FD=Final D ; FE=Final E ; FF=Final F ; SA/B=Semifinals A/B; SC/D=Semifinals C/D; SE/F=Semifinals E/F; QF=Quarterfinals; R=Repechage * In the non-medal final, Gearoid Towey had to withdraw due to illness, and was replaced by substitute Richard Coakley.
Sailing
;Men ;Women ;Open M = Medal race; EL = Eliminated – did not advance into the medal race; CAN = Race cancelled
Shooting
;Men
Swimming
;Men ;Women Qualifiers for the latter rounds of all events are decided on a time only basis, therefore positions shown are overall results versus competitors in all heats.
Triathlon
Emma Davis became Ireland's first ever Olympic qualifier for the Triathlon after finishing in fifteenth place at the 2008 World Championships, and thereby earning her enough ranking points.
