La Vuelta 2023 involves 22 teams: 18 UCI WorldTeams with automatic invites and 4 UCI ProTeams, including the top 2 from 2022 (Lotto–Dstny and Team TotalEnergies), along with Burgos BH and Caja Rural–Seguros RGA, chosen by organizers. The teams were revealed on March 8, 2023.