Doublet
- Doublet (Highland dress)
- Doublet (clothing)
- Doublet (computing)
- Doublet (dominoes)
- Doublet (horse)
- Doublet (lapidary)
- Doublet (lens)
- Doublet (linguistics)
- Doublet (potential flow)
- Doublet earthquake
- Doublet state
- Doublets (game)
- Legal doublet
- Michel Doublet
- Pierre Jean Louis Ovide Doublet
- Unit doublet
- Word ladder