Odaia may refer to several places in Moldova:

• Odaia, a village in Şişcani Commune, Nisporeni district
• Odaia, a village in Alcedar Commune, Şoldăneşti district

and in Romania:

• Odaia Banului, a village in Țintești Commune, Buzău County
• Odaia Turcului, a village in Mătăsaru Commune, Dâmboviţa County
• Odaia Manolache, a village in Vânători Commune, Galați County
• Odaia Bogdana, a village in Fălciu Commune, Vaslui County
• Odaia Bursucani, a village in Grivița Commune, Vaslui County

• New York State Route 274 (1933–1940s)
• New York State Route 288 (1930–1940)
• New York State Route 298 (1930–1934)
• New York State Route 29 Truck
• New York State Route 314 (1930–1950s)
• New York State Route 317 (1930 – early 1940s)
• New York State Route 352 (1931–1938)
• New York State Route 357 (1933–1940s)
• New York State Route 361 (1931–1935)
• New York State Route 363 (1930–1931)
• New York State Route 38 (1920s–1930)
• New York State Route 388
• New York State Route 394 (1930–1935)
• New York State Route 401 (1930s-1950s)
• New York State Route 415 (1930–mid-1960s)
• New York State Route 417 (1932–1950s)
• New York State Route 419 (1933–1935)
• New York State Route 434 (1940s)
• New York State Route 54 (1920s–1930)
• New York State Route 78 (1927–1930)
• New York State Route 906A
• New York State Route 906B
• New York State Route 906C
• New York State Route 906D
• New York State Route 910G