Ulyss may refer to:
People, figures, animals
Ulyss is a male given name. People with this name include:
- Ulyss Blair, a tattoo artist from Florence, Alabama, USA, who appeared on Ink Master season 9
- Ulyss Grant, the childhood name of Ulysses S. Grant, the 18th President of the United States of America; see List of nicknames of presidents of the United States
- an alternative romanization spelling of the Greek mythological hero Odysseus (Ulixes, Ulysses)
Animals
- Ulyss Morinda, a Belgian show jumping horse that competed at the 2018 CSIO Gijón
Other uses
- Ulyss Yerevan, Yerevan, Armenia; a soccer club
- ULySS (Universite-de-Lyon Spectroscopic-analysis Software), a spectroscopic modelling software based on GNU Data Language