Lacuna
- Eternal Sunshine of the Spotless Mind
- Great Lacuna
- Helcogramma lacuna
- Jessie Lacuna
- Lacuna (comics)
- Lacuna (film)
- Lacuna (gastropod)
- Lacuna (histology)
- Lacuna (manuscripts)
- Lacuna (music)
- Lacuna Coil
- Lacuna Island
- Lacuna magna
- Lacuna model
- Lacunar amnesia
- Lacunar stroke
- Lacunarity
- Lacunary function
- Lacunary polynomial
- Laguna (disambiguation)
- Mallomonas lacuna
- Muscular lacuna
- Petrovsky lacuna
- Scientific lacuna
- The Lacuna
- Vascular lacuna