Marni
- Darcey Bussell
- Goidelic languages
- Hebrew
- Helen Marnie
- Latin
- Marina (given name)
- Marney
- Marni Jackson
- Marni Nixon
- Marni Thompson
- Marnie (given name)
- Marnie Baizley
- Marnie Bassett
- Marnie Gillett
- Marnie Hughes-Warrington
- Marnie McBean
- Marnie McGuire
- Marnie Peters
- Marnie Reece-Wilmore
- Marnie Schulenburg
- Marnie Simpson
- Marnie Stern
- Marnie Weber
- Marnie Woodrow
- Swahili language