This list represents the 135 Pokémon introduced in Generation 3, which belong to the Hoenn regional Pokédex, organized alphabetically for convenient reference.
Absol Aggron Altaria Anorith Armaldo Aron Azurill Bagon Baltoy Banette Barboach Beautifly Beldum Blaziken Breloom Cacnea Cacturne Camerupt Carvanha Cascoon Castform Chimecho Clamperl Claydol Combusken Corphish Cradily Crawdaunt Delcatty Deoxys Dusclops Duskull Dustox Electrike Exploud Feebas Flygon Gardevoir Glalie Gorebyss Groudon Grovyle Grumpig Gulpin Hariyama Huntail Illumise Jirachi Kecleon Kirlia Kyogre Lairon Latias Latios Lileep Linoone Lombre Lotad Loudred Ludicolo Lunatone Luvdisc Machamp Makuhita Manectric Marshtomp Masquerain Mawile Medicham Meditite Meloetta Metagross Metang Mightyena Milotic Minun Mudkip Nincada Ninjask Nosepass Numel Nuzleaf Pelipper Plusle Poochyena Ralts Rayquaza Regice Regirock Registeel Relicanth Roselia Sableye Salamence Sceptile Sealeo Seedot Seviper Sharpedo Shedinja Shelgon Shiftry Shroomish Shuppet Silcoon Skitty Slaking Slakoth Slugma Solrock Spheal Spinda Spoink Surskit Swablu Swalot Swampert Swellow Taillow Torkoal Torterra Trapinch Treecko Tropius Vigoroth Vileplume Volbeat Wailmer Wailord Walrein Whiscash Whismur Wingull Wurmple Wynaut Zangoose