N. cinerea is an abbreviated binomial name that may refer to the following species:
Bacteria
edit- Neisseria cinerea – a proteobacterium
Plants
edit- Namibia cinerea – a dicot
Insects
edit- Nauphoeta cinerea – speckled cockroach
- Nemacerota cinerea – a moth
- Nepa cinerea – a water scorpion
Mammals
edit- Neophoca cinerea – Australian sea lion
- Neotoma cinerea – bushy-tailed woodrat