The following list is up-to-date as of Generation IX. It addresses every Pokemon that can learn Baton Pass at any point, not necessarily whether they can in the most recent games.
nds batonpass, all:
Absol, Accelgor, Aipom, Alomomola, Ambipom, Ariados, Azelf, Beedrill, Bellossom, Blaziken, Blitzle, Buizel, Buneary, Butterfree, Calyrex, Celebi, Charjabug, Chimecho, Chingling, Cinccino, Cinderace, Clefable, Clefairy, Combusken, Croagunk, Cutiefly, Dachsbun, Dartrix, Decidueye, Decidueye-Hisui, Deerling, Delcatty, Delibird, Diancie, Dodrio, Doduo, Dragapult, Drakloak, Dreepy, Drifblim, Drifloon, Drizzile, Dubwool, Dudunsparce, Dunsparce, Durant, Eevee, Emolga, Espathra, Espeon, Farfetch’d, Farigiraf, Fearow, Fidough, Flabébé, Flareon, Flittle, Floatzel, Floette, Florges, Furret, Girafarig, Glaceon, Gligar, Gliscor, Gorebyss, Grafaiai, Grubbin, Hatenna, Hatterene, Hattrem, Hawlucha, Hitmonchan, Hitmonlee, Hitmontop, Hoppip, Huntail, Hypno, Illumise, Incineroar, Indeedee-F, Inkay, Inteleon, Jigglypuff, Jirachi, Jolteon, Jumpluff, Keldeo, Kleavor, Kricketune, Latias, Latios, Leafeon, Leavanny, Ledian, Ledyba, Liepard, Lopunny, Lunatone, Magearna, Malamar, Manaphy, Masquerain, Maushold, Mawile, Medicham, Meditite, Meloetta, Meowstic, Mesprit, Mew, Mienfoo, Mienshao, Mime Jr., Minccino, Minun, Morpeko, Mr. Mime, Mr. Mime-Galar, Mr. Rime, Munkidori, Munna, Musharna, Natu, Nickit, Ninetales, Ninetales-Alola, Ninjask, Orbeetle, Oricorio, Passimian, Patrat, Pawmi, Pawmo, Pawmot, Perrserker, Phione, Plusle, Poliwrath, Polteageist, Purrloin, Pyukumuku, Quaquaval, Quaxly, Quaxwell, Raboot, Rapidash, Rapidash-Galar, Ribombee, Rowlet, Sawsbuck, Scizor, Scolipede, Scorbunny, Scream Tail, Scyther, Sentret, Sewaddle, Shaymin, Shedinja, Shelmet, Shroodle, Sinistea, Skiploom, Skitty, Smeargle, Sobble, Solrock, Spearow, Spinarak, Spinda, Surskit, Swadloon, Swellow, Swoobat, Sylveon, Tandemaus, Tatsugiri, Thievul, Togekiss, Togepi, Togetic, Torchic, Toxicroak, Umbreon, Uxie, Vaporeon, Venomoth, Venonat, Victini, Vikavolt, Volbeat, Vulpix, Vulpix-Alola, Watchog, Weavile, Wigglytuff, Woobat, Xatu, Zangoose, Zapdos, Zebstrika
