Robert John Wilder, Jr. (c. 1921 – 22 May 1953), was a native of Massachusetts, who was an American racing driver who competed in the SCCA National Sports Car Championships between 1951 and 1953.

Wilder served 18 months in the United States Air Force during World War II and had raced since being discharged.

His most notable results was a third place in the 1953 12 Hours of Sebring, taking a class win, when he partnered Sherwood Johnston, in a Jaguar C-Type.

[1] On 22 May 1953, the Chicago Tribune reported that Wilder was killed when his Allard J2X Le Mans went out of control during a practice session for the Bridgehampton Sports Car Races.

The car struck a depression in the road after crossing a bridge at high speed and rolled over.