See classification box for relevant genera links:

Species list:

• Crested Jay, Platylophus galericulatus
• Black Magpie, Platysmurus leucopterus (a jay despite its name)

• Siberian Jay, Perisoreus infaustus
• Sichuan Jay, Perisoreus internigrans
• Gray Jay or Whiskeyjack, Perisoreus canadensis

• Steller's Jay, Cyanocitta stelleri
• Blue Jay, Cyanocitta cristata

• Black-throated Magpie-Jay, Calocitta colliei
• White-throated Magpie-Jay, Calocitta formosa

• Tufted Jay, Cyanocorax dickeyi
• Black-chested Jay, Cyanocorax affinis
• Green Jay, Cyanocorax yncas
• Brown Jay, Cyanocorax morio
• Bushy-crested Jay, Cyanocorax melanocyaneus
• San Blas Jay, Cyanocorax sanblasianus
• Yucatan Jay, Cyanocorax yucatanicus
• Purplish-backed Jay, Cyanocorax beecheii
• Purplish Jay, Cyanocorax cyanomelas
• Azure Jay, Cyanocorax caeruleus
• Violaceous Jay, Cyanocorax violaceus
• Curl-crested Jay, Cyanocorax cristatellus
• Azure-naped Jay, Cyanocorax heilprini
• Cayenne Jay, Cyanocorax cayanus
• Plush-crested Jay, Cyanocorax chrysops
• White-naped Jay, Cyanocorax cyanopogon
• White-tailed Jay, Cyanocorax mystacalis

• Black-collared Jay, Cyanolyca armillata
• Turquoise Jay, Cyanolyca turcosa
• White-collared Jay, Cyanolyca viridicyana
• Azure-hooded Jay, Cyanolyca cucullata
• Beautiful Jay, Cyanolyca pulchra
• Black-throated Jay, Cyanolyca pumilo
• Dwarf Jay, Cyanolyca nana
• Silvery-throated Jay, Cyanolyca argentigula
• White-throated Jay, Cyanolyca mirabilis

• Florida Scrub Jay, Aphelocoma coerulescens
• Island Scrub Jay, Aphelocoma insularis
• Western Scrub Jay, Aphelocoma californica
• Mexican Jay, Aphelocoma ultramarina
• Unicolored Jay, Aphelocoma unicolor

• Pinyon Jay, Gymnorhinus cyanocephalus

• Eurasian Jay, Garrulus glandarius
• Lanceolated Jay, Garrulus lanceolatus
• Lidth's Jay, Garrulus lidthi