1. Great White Shark (Carcharodon carcharias)
Fatal attacks: 359
2. Tiger Shark (Galeocerdo cuvier)
Fatal attacks: 102
3. Bull Shark (Carcharhinus leucas)
Fatal attacks: 104
4. Oceanic Whitetip Shark (Carcharhinus longimanus)
Fatal attacks: 18
5. Mako Shark (Isurus spp.)
Fatal attacks: 68
6. Dusky Shark (Carcharhinus obscurus)
Fatal attacks: 47
7. Blue Shark (Prionace glauca)
Fatal attacks: 20
8. Hammerhead Shark (Sphyrnidae spp.)
Fatal attacks: 39
9. Great Hammerhead Shark (Sphyrna mokarran)
Fatal attacks: 36
10. Nurse Shark (Ginglymostoma cirratum)
Fatal attacks: 9
Bonus: While not considered among the top 10 deadliest, Lemon Sharks and Blacktip Sharks have also accounted for a combined 29 attacks leading to fatalities as well.
This list is based on records available to marine and shark researchers and varies based on the methodologies used when defining unprovoked and confirmed lethal shark encounters that may lead to fatalities. Researchers recommend extreme caution near regions with the aforementioned shark species or near their habitats or known migratory routes when in deep sea environments.