Winegar (alternately spelled Wineker, Winnegar, Weniger, Wennecker or Wijngard) is a surname of Dutch or German origin. It may refer to:

Surname

• Albert J. Winegar, American politician
• Anna Lillian Winegar (1867-1941), American painter and illustrator
• Charles E. Winegar, American soldier, member of the XII Corps during the Battle of Chancellorsville and the Battle of Gettysburg, member of the XX Corps during the Carolinas Campaign
• Jessica Winegar, American author, 2007 winner of the Albert Hourani Book Award
• Joe Winegar, American Texas Tech University alumnus, member of the Saddle Tramps, designer of Bangin' Bertha
• Marvin Winegar, American baseball player, outfielder on the All-Tournament Team of the 1958 College World Series
• Mr. Winegar, fictional American character in The Fortress of Solitude (novel)
• Quentin Winegar, American seaman
• Uldrick Winegar, 18th-century Swiss immigrant (first to Württemberg, where he married; then to the USA), one of the earliest settlers of Amenia, New York, grandfather-in-law of Thomas Young, subject of Historic Marker 8 in Dutchess County, New York
• William S. Winegar, American lumber business magnate, one-time eponym of Presque Isle, Wisconsin
• William W. Winegar, American soldier, American Civil War Medal of Honor recipient

Also:

• List of Zion's Camp participants (Alvin Winegar, Samuel Winegar, and Samuel's daughter Almira were participants)

Given name

• Albion Winegar Tourgée, American soldier, lawyer, judge, novelist, and diplomat

United States

• Hendrik Winegar House, Historic Landmark 112 in Dutchess County, New York
• Winegar, a former name of Presque Isle, Wisconsin
• Winegar Building, Historic Landmark 7 in Kit Carson County, Colorado
• Winegar Hole Wilderness, a part of the Caribou-Targhee National Forest, Teton County, Wyoming
• Winegar Lake, a lake in Scrivner Road Conservation Area, Cole County, Missouri
• Winegars, Michigan

• "Down by the Winegar Works", a song published in 1925
• Grand Chute v. Winegar at Law (in List of United States Supreme Court cases, volume 82)
• Grand Chute v. Winegar in Equity (in List of United States Supreme Court cases, volume 82)
• Winegar's Market, a supplier of Associated Food Stores

• FamilySearch: Uldrich WINEKER OR WINEGAR (AFN: 1R8X-09)
• WinegarFam.com: Amenia New York in Duchess County - Early American Roots (includes photo of Historic Marker 8 in Dutchess County, New York)
• Jim Winegar's Genealogy Blog