The Adventures of Red Ryder is a 1940 American 12-chapter movie serial from Republic Pictures, directed by William Witney and John English and starring Don "Red" Barry and Noah Beery, Sr., based on the Western comic strip Red Ryder by Fred Harmon.

A gang, led by banker Calvin Drake, plans to drive off ranchers from their land to profit from a railroad.

However, on one of these ranches, the Circle R, lives the Ryder family who resist the gang.

After his father, Tom, is killed by One Eye Chapin, Red Ryder swears revenge and sets out to defeat the gang once and for all.

The Adventures of Red Ryder was based on Fred Harman's comic strip.