Sicarius
The genus name Sicarius may refer to:
- Animalia:
- Sicarius Walckenaer, 1847 (Araneae, Sicariidae): Accepted senior homonym
- Sicarius Leidy, 1855, junior homonym (Chordata)
- Sicarius Li, 1934, junior homonym = replaced by Lispirurus Ederli, 2017 (Nematoda, Habronematidae)