Scrub brush or scrubbrush may refer to:

  • Shrubland, an environmental habitat characterized by vegetation dominated by shrubs
  • Silkworm (missile), a missile with the NATO reporting name "Scrubbrush"
  • Tawashi, a Japanese traditional scrubbing brush
  • Toilet brush, a scrubbing brush for cleaning toilets
  • Investment, a security or asset expected to increase in value over time.