The Wexford Intermediate A Hurling Championship (known for sponsorship reasons as the Top Oil Intermediate A Hurling Championship) is an annual hurling competition contested by mid-tier Wexford GAA clubs. It is the 3rd teir of the Wexford GAA hurling championships The Wexford County Board of the Gaelic Athletic Association has organised it since 2012.
Tara Rocks are the title-holders (2021) defeating Liam Mellows in the Final.
The series of games are played during the summer and autumn months with the county final currently being played in October. The championship features a group stage before the top-ranking teams complete a knock-out series of games. Each year the winners of the Wexford Junior Hurling Championship are promoted to the Intermediate A championship with one team being relegated each year to the Junior level.
Twelve clubs currently participate in the Wexford Intermediate A Championship.
The winners of the Intermediate A championship are promoted to the Intermediate Championship (2nd tier) and participate in the Leinster Junior Hurling Championship. One team is relegated from the Intermediate Championship each season to take their place