Baby Ruth is an American candy bar made of peanuts, caramel, and milk chocolate-flavored nougat, covered in compound chocolate.

[2] In 1920, the Curtiss Candy Company refashioned its Kandy Kake into the Baby Ruth, and it became the best-selling confection in the five-cent confectionery category by the late 1920s.

[1][11] In the trivia book series Imponderables, David Feldman reports the standard story about the bar being named for Grover Cleveland's daughter, with additional information that ties it to the President: "The trademark was patterned exactly after the engraved lettering of the name used on a medallion struck for the Chicago World's Columbian Exposition in 1893 and picturing the President, his wife, and daughter Baby Ruth."

[14][15] To promote the candy, company founder Otto Schnering chartered a plane in 1923 to drop thousands of Baby Ruth bars, each with its own miniature parachute, over the city of Pittsburgh.

The original flavor U.S. edition, listed by weight in decreasing order, contains sugar, roasted peanuts, corn syrup, partially hydrogenated palm kernel and coconut oil,[20] nonfat milk, cocoa, high-fructose corn syrup and less than 1% of glycerin, whey (from milk), dextrose, salt, egg, monoglyceride, soy lecithin, soybean oil, natural and artificial flavors, carrageenan, TBHQ, citric acid (to preserve freshness) and caramel color.

[21] Current ingredients used by Ferrero: (in descending order) sugar, dry roasted peanuts, corn syrup, hydrogenated vegetable oil (palm kernel, coconut, and soybean), nonfat milk, cocoa, less than 2% high fructose corn syrup, dairy product solids, glycerin, dextrose, salt, soy lecithin, lactic acid esters, carrageenan.

[24] Nestlé also produces Baby Ruth Crisp bars, which are chocolate-covered wafer cookies, with a caramel-flavored cream and crushed peanuts.

A popular 1956 song, "A Rose and a Baby Ruth", was written by John D. Loudermilk and recorded by George Hamilton IV.

In the 1985 Ghostbusters novelization by Richard Mueller, Egon Spengler frequently is said to be eating Baby Ruth candy bars.

In the 1998 film The Mighty both Max and Kevin are awarded Baby Ruth bars for taking care of a problem in a local store.

A "Baby Ruth" candy bar appears in the 2006 Family Guy episode "Hell Comes to Quahog" when Meg feeds Sloth from the 1985 film The Goonies.