Edward Taylor Pegg Jr. (born December 7, 1963) is an expert on mathematical puzzles and is a self-described recreational mathematician.

He wrote an online puzzle column called Ed Pegg Jr.'s Math Games for the Mathematical Association of America during the years 2003–2007.

In 2009, he teamed up with Tom M. Rodgers and Alan Schoen to edit two Gardner tribute books.

[3] In 2000, he left NORAD to join Wolfram Research, where he collaborated on A New Kind of Science (NKS).

In 2004, he started assisting Eric W. Weisstein at Wolfram MathWorld.