There is one change to the starting XV that played England at Twickenham on 10 February, with Sam Costelow returning for Wales at fly half.
Among the replacements back-row Mackenzie Martin is in line to win his first senior cap this weekend and would become the 1,200th Wales men’s international.
Tight-head prop Dillon Lewis would be making his first appearance of this Championship if called on from the bench.
Gatland said: “We are excited to go out to Dublin and test ourselves against one of the leading sides in world rugby. It’s a challenge we are relishing.
“We’ve made steps in the last couple of games and now it’s about building on that, learning from those experiences and taking that into this weekend.
“It’s about continuing to work hard, looking for accuracy in our performance across 80 minutes and also keeping our discipline.”
Wales senior men’s team to play Ireland at the Aviva Stadium, Dublin in the Guinness Six Nations, Saturday 24 February KO 2.15pm GMT. Live on ITV and S4C.
15. Cameron Winnett (Cardiff Rugby – 2 caps)
14. Josh Adams (Cardiff Rugby – 56 caps)
13. George North (Ospreys – 119 caps)
12. Nick Tompkins (Saracens – 34 caps)
11. Rio Dyer (Dragons – 16 caps)
10. Sam Costelow (Scarlets – 9 caps)
9. Tomos Williams (Cardiff Rugby – 55 caps)
1. Gareth Thomas (Ospreys – 27 caps)
2. Elliot Dee (Dragons – 48 caps)
3. Keiron Assiratti (Cardiff Rugby – 4 caps)
4. Dafydd Jenkins (Exeter Chiefs – 14 caps) Captain / Capten
5. Adam Beard (Ospreys – 53 caps)
6. Alex Mann (Cardiff Rugby – 2 caps)
7. Tommy Reffell (Leicester Tigers – 15 caps)
8. Aaron Wainwright (Dragons – 45 caps)
Replacements
16. Ryan Elias (Scarlets – 40 caps)
17. Corey Domachowski (Cardiff Rugby – 8 caps)
18. Dillon Lewis (Harlequins – 54 caps)
19. Will Rowlands (Racing 92 – 30 caps)
20. Mackenzie Martin (Cardiff Rugby – uncapped)
21. Kieran Hardy (Scarlets – 19 caps)
22. Ioan Lloyd (Scarlets – 4 caps)
23. Mason Grady (Cardiff Rugby – 8 caps)
