James ("Jimmy") Leon Wood (December 1, 1842 – November 30, 1927) was an American second baseman and manager in early professional Major League Baseball (MLB) who hailed from Brooklyn, New York. He was the player-manager for four teams in the early National Association of Professional Base Ball Players (NAPBBP – 1871–1875 – later known simply as the National Association (NA) – the predecessor of the modern National League of Professional Baseball Clubs – later known simply as the National League (NL), [founded 1876] of modern Major League Baseball (MLB), where he spent his entire base ball career in the 1860s into the 1870s.