- Diphyllobothrium americanum
- Diphyllobothrium arctocephalinum
- Diphyllobothrium balaenopterae
- Diphyllobothrium bresslaui
- Diphyllobothrium cameroni
- Diphyllobothrium canadense
- Diphyllobothrium cordatum
- Diphyllobothrium crenatum
- Diphyllobothrium decipiens
- Diphyllobothrium elegans
- Diphyllobothrium erinacei
- Diphyllobothrium fayi
- Diphyllobothrium glaciale
- Diphyllobothrium gracile
- Diphyllobothrium hians
- Diphyllobothrium lanceolatum
- Diphyllobothrium lashleyi
- Diphyllobothrium macroovatum
- Diphyllobothrium mansonoides
- Diphyllobothrium minutus
- Diphyllobothrium mobile
- Diphyllobothrium oblongatum
- Diphyllobothrium osmeri
- Diphyllobothrium polyrugosum
- Diphyllobothrium pseudowilsoni
- Diphyllobothrium quadratum
- Diphyllobothrium rauschi
- Diphyllobothrium reptans
- Diphyllobothrium rufrum
- Diphyllobothrium salvelini
- Diphyllobothrium scoticum
- Diphyllobothrium stemmacephalum
- Diphyllobothrium tetrapterum