Look up nay or NAY in Wiktionary, the free dictionary.

Nay or NAY may refer to:

• Ney (also nay, nye, nai), a wind instrument
• Nay, Manche, a place in the Manche département of France
• Nay, Pyrénées-Atlantiques, a place in the Pyrénées-Atlantiques département of France
• Ernst Wilhelm Nay, German abstract painter
• Nayarit, abbreviation for Mexican state
• Beijing Nanyuan Airport, People's Republic of China; IATA airport code NAY
• Newton Aycliffe railway station, England; National Rail station code NAY