USS Halcyon may refer to:
- USS Halcyon (SP-518), commissioned 14 May 1917 and decommissioned 24 June 1919
- USS Halcyon II (SP-582), a 161-ton steam yacht purchased by the U.S. Navy in August 1917.
|This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.|
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