NSW localities beginning with Y
- Yabbra
- Yadboro
- Yagon
- Yagoona
- Yalbraith
- Yallah
- Yallaroi
- Yalwal
- Yamba
- Yambulla
- Yanco
- Yanderra
- Yanga
- Yankees Creek
- Yannergee
- Yantabulla
- Yaouk
- Yarara
- Yarra
- Yarrabandai
- Yarrabin
- Yarragal
- Yarragrin
- Yarragundry
- Yarrahapinni
- Yarramalong
- Yarraman
- Yarramundi
- Yarranbella
- Yarrangobilly
- Yarras (Bathurst Regional)
- Yarras (Port Macquarie-Hastings)
- Yarratt Forest
- Yarravel
- Yarrawa
- Yarrawarrah
- Yarrawonga
- Yarrawonga Park
- Yarrie Lake
- Yarrow
- Yarrowford
- Yarrowitch
- Yarrowyck
- Yass
- Yass River
- Yathella
- Yattalunga
- Yatte Yattah
- Yaven Creek
- Yelgun
- Yellow Dam
- Yellow Pinch
- Yellow Rock (Blue Mountains)
- Yellow Rock (Shellharbour)
- Yenda
- Yennora
- Yeoval
- Yerong Creek
- Yerranderie
- Yerrinbool
- Yerriyong
- Yessabah
- Yetholme
- Yetman
- Yippin Creek
- Yoogali
- Yorklea
- Young
- Yowie Bay
- Yowrie
- Yullundry
- Yuraygir