- Waikerie
- Walkerville
- Wallaroo
- Warradale
- Waterloo
- Watervale
- Wattle Park
- Wayville
- Welland
- Wellington
- Westbourne Park
- West Beach
- West Lakes
- West Richmond
- Whyalla
- Wild Horse Plains
- Willaston
- Williamstown
- William Creek
- Willunga
- Windsor
- Windsor Gardens
- Wingfield
- Woodcroft
- Woodforde
- Woodside
- Woodville
- Woodville Gardens
- Woodville North
- Woomera
- Wudinna
- Wynn Vale