Bliss may mean:

• happiness which invokes a union of physiological and psychological harmony. In Buddhism an elevated consciousness.
• Bliss (virus) , a Linux virus
• Blissymbols (created by Charles K. Bliss )
• Bliss bibliographic classification
• Bliss Carman
• the city of Bliss
• Bliss Corner, Massachusetts
• Bliss Township, Michigan
• Fort Bliss, Texas
• Arthur Bliss
• Henry Bliss
• Michael Bliss
• Nathaniel Bliss
• BLISS, a programming language
• Bliss, a song by Muse
• Bliss , a 1981 novel by Peter Carey, adapted to the 1985 film Bliss directed by Ray Lawrence
• Bliss, a story by Katherine Mansfield