1938 was a year in the 20th century.
- Friday, April 1: George McFly born to Arthur McFly and Sylvia McFly.
- Monday, April 18: The first issue of Action Comics (Known mostly for the introduction of Superman) is made available for purchase.
- Date Unknown:
- Date Unknown: Lawrence G. Paull (Production designer for Back to the Future) is born.
- Tuesday, August 9: Burton Gilliam (Elmer H. Johnson) is born in Dallas, Texas.
- Thursday, October 13: Al White (Lewis) is born in Housten, Texas.
- Saturday, October 22: Christopher Lloyd is born in Stamford, Connecticut.