1W

1W or 1-W may refer to:

• 1st meridian west

• OR 1W; see Oregon Route 99W
• SSH 1W (WA); see Washington State Route 104
• Arkansas Highway 1W; see Arkansas Highway 1

• AH-1W, a model of Bell AH-1 Cobra
• AH-1W, a model of Bell AH-1 SuperCobra
• PB-1W, a model of Boeing B-17 Flying Fortress
• HR2S-1W, a model of Sikorsky CH-37 Mojave
• XS2U-1W, a model of Vought XS2U

See also

• Watt
• Week
• Win–loss record
• W1 (disambiguation)