Tomaszów County may refer to two counties (powiats) in Poland which share the original name powiat tomaszowski ("powiat of Tomaszów"):

• Tomaszów Lubelski County, in Lublin Voivodeship (east Poland)
• Tomaszów Mazowiecki County, in Łódź Voivodeship (central Poland)

• U.S. Route 71 in Iowa
• U.S. Route 74 Alternate (Asheville-Forest City, North Carolina)
• U.S. Route 74 Bypass (Monroe, North Carolina)
• U.S. Route 74 Bypass (Shelby, North Carolina)
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• U.S. Route 74 Bypass (Union County, North Carolina
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• U.S. Route 84 in New Mexico
• US Route 85B