Lehigh

Lehigh most often refers to:
 * Lehigh County, Pennsylvania
 * Lehigh University, a private research university located in Bethlehem, Pennsylvania

Lehigh may also refer to:

Businesses

 * Lehigh & Susquehanna Turnpike (1804) a wagon road connecting Philadelphia, and other communities of the Lehigh and Delaware valleys to Western New York State and Lake Erie
 * Lehigh Canal (1818) a privately funded canal
 * Lehigh Coal & Navigation Company (1818-1986) builders of the Lehigh Canal
 * Lehigh Coal and Navigation Company (1988–2010), a mining company
 * Lehigh Crane Iron Company, a US foundry in operation from 1839 to 1899
 * Lehigh Defense, an ammunition maker

Canada

 * Lehigh, Alberta, Canada

United States

 * Lehigh, Illinois
 * Lehigh, Iowa
 * Lehigh, Kansas
 * Lehigh, Oklahoma
 * Lehigh, Barbour County, West Virginia
 * Lehigh, Wisconsin
 * Lehigh Canal, constructed along the Lehigh River
 * Lehigh County Ballpark, an athletic field in Allentown, Pennsylvania
 * Lehigh Gap, Pennsylvania, a mountain gap formed by the Lehigh River
 * Lehigh Township (disambiguation)
 * Lehigh Parkway, a park in Allentown
 * Lehigh River, a tributary of the Delaware River
 * Lehigh Street, a major road connecting Emmaus and Allentown, Pennsylvania
 * Lehigh Tunnel, a tunnel on the Northeast Extension of the Pennsylvania Turnpike
 * Lehigh Valley (disambiguation), a major metropolitan region in eastern Pennsylvania
 * Little Lehigh Creek, a tributary of Jordan Creek

Railroads

 * Lehigh and Hudson River Railway
 * Lehigh and Mahanoy Railroad, an LC&N subsidiary
 * Lehigh and New England Railroad, an LC&N subsidiary
 * Lehigh Valley Railroad
 * Lehigh Line (disambiguation)

Other

 * 691 Lehigh, a minor planet orbiting the Sun
 * USS Lehigh (1863)