Casey of the Coast Guard was a 1926 American silent action film serial released in ten chapters, directed by William Nigh and written by Lewis Allen Browne. The film is now presumed lost.

Plot

John Casey (George O'Hara) is a Coast Guard officer stationed on Long Island Sound. He is both hated and feared by a band of smugglers headed by Diamond Kate. The serial unfolds with the smuggler gang choosing their strike against Casey on the night of the Cadet Coast Guard Ball. Casey’s brother Frank answers the call that night and is killed in action against the smugglers. Casey vows to avenge the death of his brother.