- For other uses, see Cygnus.
The USS Cygnus (NCC-617) was a Hermes-class Federation starship in service in the late 23rd and early 24th centuries. (TOS reference: Star Fleet Technical Manual)
| Ships named Cygnus | ||
|---|---|---|
| Federation Starfleet (primary universe) |
USS Cygnus (NCC-617, Hermes-/Cygnus-class scout) • USS Cygnus (NCC-92190, Cygnus-class) • see also: Cygnus-class (scout) • Cygnus-class (battlecruiser) |  
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| Terran Empire, Starfleet (mirror universe) |
ISS Cygnus (NCC-92190, Cygnus-class) |  
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| Romulan Star Empire, Star Navy | RIS Cygnus (Snipe-class) • RIS Cygnus (Shrike-class) | 
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| Hermes-class class I scout starships | ||||||||||||||||||||||||||||||||||||||||||||||
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| Hermes-class scouts | Aeolus • Calypso • Cody • Cochise • Crockett • Hermes • Revere • Sacagawea Proposed/authorized for construction: Anubis • Batidor • Bowie • Bridger • Carson • Diana • Quintillus • Spaker • Tonti |
 
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| Monoceros-subclass scouts | Leo | |||||||||||||||||||||||||||||||||||||||||||||
| advanced scouts (SC+): Aries • Camelopardus • Canis Major • Canis Minor • Equulus • Leo Minor • Lepus • Lupus • Lynx • Monoceros • Pegasus • Taurus • Ursa Major • Ursa Minor • Vulpecula • SC+ refits: Bowie • Crockett • Leo | ||||||||||||||||||||||||||||||||||||||||||||||
| Cygnus-subclass couriers | Aquila • Columbia • Phoenix Proposed/authorized for construction: Apus • Corvus • Cygnus • Grus • Pavo • Tucana | |||||||||||||||||||||||||||||||||||||||||||||
| Kelvin timeline Hermes-class | Aeolus • Hermes |  
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