Niche
- Bassline (music genre)
- Developmental niche
- Ecological niche
- Network in Canadian History and Environment
- Niche (architecture)
- Niche (company)
- Niche (footballer)
- Niche (horse)
- Niche (protein structural motif)
- Niche (video game)
- Niche blogging
- Niche differentiation
- Niche genre
- Niche market
- Stem-cell niche
- Tegami Bachi
- Unintended (song)