| N&A | Natasha and Anatole 
| Others |
| N/A | Next Assembly
| Others |
| N/A | No Answer
| Others |
| N/A | No value Available
| Others |
| N/A | Not Available
| Others |
| N/A | Not Available, unknown
| Others |
| NA | Namibia
| Others |
| NA | Nandu Ahuja
| Others |
| NA | Napoli (Provence)
| Others |
| NA | Narcotics Anonymous
| Others |
| NA | Nasal Augment
| Others |
| NA | Natalie Andrea
| Others |
| NA | Nation Assistance
| Others |
| NA | National Academy
| Others |
| NA | National Amusements
| Others |
| NA | National And
| Others |
| NA | National Assembly
| Others |
| NA | National Association
| Others |
| NA | Native American
| Others |
| NA | Native Authority
| Others |
| NA | Natural Amber
| Others |
| NA | Natural Aspirated
| Others |
| NA | Natural Aspiration
| Others |
| NA | Naturalized Archiver
| Others |
| NA | Naturally Aspirated
| Others |
| NA | Naturaly Aspirated
| Others |
| NA | Nature Aquarium
| Others |
| NA | Naval Academy
| Others |
| NA | Nce And
| Others |
| NA | Ne and
| Others |
| NA | Necessary Action
| Others |
| NA | Needs Action
| Others |
| NA | Needs Approval
| Others |
| NA | Negative Alignment
| Others |
| NA | Neighborhood Association
| Others |
| NA | Nelson Allen
| Others |
| NA | Nestle As
| Others |
| NA | Network Address
| Others |
| NA | Network Annihilation
| Others |
| NA | Network Appearance
| Others |
| NA | NeurAminidase
| Others |
| NA | Neutral Axis
| Others |
| NA | Never Alone
| Others |
| NA | New Adult
| Others |
| NA | New Americana
| Others |
| NA | New Amsterdam
| Others |
| NA | Next Action
| Others |
| NA | Nigeria Army
| Others |
| NA | Nigerian Army
| Others |
| NA | Nin A'cretus
| Others |
| NA | Nisgha (Nisga'a)
| Others |
| NA | No Abnormalities
| Others |
| NA | No Alcohol
| Others |
| NA | No Archers
| Others |
| NA | No As
| Others |
| NA | No Assets
| Others |
| NA | No Attachment
| Others |
| NA | Node Access
| Others |
| NA | Non Activin
| Others |
| NA | Non Alcoholic
| Others |
| NA | Non Allocating
| Others |
| NA | Non Answer
| Others |
| NA | Non Available
| Others |
| NA | Non-Adaptive
| Others |
| NA | Non-Anomalous
| Others |
| NA | Non-Antistatic
| Others |
| NA | Non-Asbestos
| Others |
| NA | Non-Assessed
| Others |
| NA | Non-Athlete
| Others |
| NA | Non-Attainment
| Others |
| NA | Non-Availability
| Others |
| NA | NorAdrenaline
| Others |
| NA | Normally Aspirated
| Others |
| NA | North Allegheny School District
| Others |
| NA | North America
| Others |
| NA | North American
| Others |
| NA | North American Airlines
| Others |
| NA | North Asia
| Others |
| NA | Northern Areas (Gilgit Baltistan)
| Others |
| NA | Norwegian Archives Council
| Others |
| NA | Not Achieved
| Others |
| NA | Not Active
| Others |
| NA | Not Admitted
| Others |
| NA | Not Advanced
| Others |
| NA | Not Advertised
| Others |
| NA | Not again
| Others |
| NA | Not Allowed
| Others |
| NA | Not Animate
| Others |
| NA | Not Answered
| Others |
| NA | Not Applicable
| Others |
| NA | Not Approvable
| Others |
| NA | Not Approved
| Others |
| NA | Not Ascertainable
| Others |
| NA | Not Assessed
| Others |
| NA | Novice Agility
| Others |
| NA | NPT and ABRA
| Others |
| NA | Nucleic Acid
| Others |
| NA | Nucleic Acids
| Others |
| NA | Nucleoside Analogue
| Others |
| NA | Null Acl
| Others |
| NA | Numeric Aperture
| Others |
| NA | Numerical Analysis
| Others |
| NA | Numerical Aperture
| Others |
| NA | Nurse Anesthetist
| Others |
| NA | Nursing Assistant
| Others |
| NA | Sodium
| Element |
| Na | Sodium (Natrium)
| Others |
| NA% | Nitric Acid Percentage in Citrus Juices
| Others |