Eterna is a Swiss watch company. Eterna may also refer to:
EteRNA, a 2010 browser-based game developed by scientists Eterna (film), a 2020 Spanish documentary Eterna (record label), a label of former East German music publisher VEB Deutsche Schallplatten Eterna, a Fujifilm movie film emulsion Eterna Mode A shirt and blouse maker from Passau in Germany founded in 1853.
See also Aeterna (TV series), a Russian fantasy series of which only the 2022 pilot has aired