| nom | niveau | type | groupe |
| Babamon | Ultime / Mega | Antivirus | Ancien Digimon |
| Babydmon | Baby II / Entrainement | Donnée | Dragon |
| Baihumon | Ultime / Mega | Donnée | Créature Enchanteresse |
| Bakemon | Adult / Champion | Virus | Fantôme |
| Banchouleomon | Ultime / Mega | Antivirus | Homme Animal |
| Banchouleomon mode Burst | Ultime / Mega | Antivirus | Homme Animal |
| Barbamon | Ultime / Mega | Virus | Seigneur Démon |
| Baronmon | Armor / Cuirassé | Virus | Magicien |
| Bearmon | Child / Disciple | Antivirus | Animal |
| Beelzemon | Ultime / Mega | Virus | Seigneur Démon |
| Beelzemon mode Blast | Ultime / Mega | Virus | Seigneur Démon |
| Beelzemon X | Ultime / Mega | Virus | Seigneur Démon |
| Belphemon | Ultime / Mega | Virus | Seigneur Démon |
| Belphemon mode Sleep | Ultime / Mega | Virus | Seigneur Démon |
| Beowulfmon | Hybride | Variable | Guerrier |
| Betamon | Child / Disciple | Virus | Amphibien |
| Betamon X | Child / Disciple | Virus | Amphibien |
| Betsumon | Perfect / Ultime | Virus | Jouet |
| Bigmamemon | Perfect / Ultime | Donnée | Mutant |
| Biocoaltmon | Armor / Cuirassé | Antivirus | Animal Fantôme |
| Biodarkdramon | Ultime / Mega | Virus | Cyborg |
| Biolotusmon | Ultime / Mega | Donnée | Fée |
| Biospinomon | Ultime / Mega | Virus | Dinosaure |
| Biostegomon | Armor / Cuirassé | Donnée | Dragon Lame |
| Biothunderbirdmon | Armor / Cuirassé | Antivirus | Oiseau Géant |
| Birdramon | Adult / Champion | Antivirus | Oiseau |
| Bishopchessmon | Perfect / Ultime | Virus | Jouet |
| Biyomon | Child / Disciple | Antivirus | Oiseau |
| Blackagumon | Child / Disciple | Virus | Reptile |
| Blackgabumon | Child / Disciple | Virus | Reptile |
| Blackgargomon | Adult / Champion | Virus | Animal |
| Blackgatomon | Adult / Champion | Virus | Animal Méchant |
| Blackgrowlmon | Adult / Champion | Virus | Dragon |
| Blackkingnumemon | Ultime / Mega | Virus | Mollusque |
| Blackmegagargomon | Ultime / Mega | Virus | Machine |
| Blackrapidmon | Perfect / Ultime | Virus | Machine |
| Blackseraphimon | Ultime / Mega | Virus | Ange Déchu |
| Blackwargreymon | Ultime / Mega | Virus | Dragon |
| Blackwargreymon X | Ultime / Mega | Virus | Homme Dragon |
| Blackwargrowlmon | Perfect / Ultime | Virus | Androïde |
| Bladekuwagamon | Adult / Champion | Virus | Machine |
| Blimpmon | Adult / Champion | Donnée | Machine |
| Blitzmon | Hybride | Variable | Cyborg |
| Blizzardmon | Hybride | Variable | Animal |
| Blossomon | Perfect / Ultime | Donnée | Plante |
| Bluemeramon | Perfect / Ultime | Virus | Feu |
| Boarmon | Armor / Cuirassé | Donnée | Mammifère |
| Bokomon | Child / Disciple | Antivirus | Mutant |
| Bolgmon | Hybride | Variable | Cyborg |
| Bolgmon (noir) | Hybride | Variable | Cyborg |
| Boltmon | Ultime / Mega | Donnée | Androïde |
| Bombernanimon | Adult / Champion | Virus | Envahisseur |
| Bombmon | Baby I / Bébé | Donnée | Machine |
| Boogeymon | Adult / Champion | Virus | Magicien |
| Botamon | Baby I / Bébé | Donnée | Micro |
| Brachiomon | Perfect / Ultime | Donnée | Dinosaure |
| Budmon | Baby II / Entrainement | Donnée | Plante |
| Bukamon | Baby II / Entrainement | Donnée | Micro |
| Bulbmon | Perfect / Ultime | Donnée | Machine |
| Bullmon | Armor / Cuirassé | Antivirus | Mammifère |
| Burgemon Adulte | Adult / Champion | Antivirus | Nourriture |
| Burgemon Enfant | Child / Disciple | Antivirus | Nourriture |
| Butterflymon | Armor / Cuirassé | Antivirus | Insecte |