It Is Never Too Late to Mend (sometimes written as It's Never Too Late to Mend) is an 1856 novel by the British writer Charles Reade. It was later turned into a play. A ruthless squire becomes obsessed with a younger woman and conspires to have her lover framed and sent to jail.
The story has been turned into film several times including a 1911 silent film It Is Never Too Late to Mend, a 1922 silent film It's Never Too Late to Mend and a 1937 sound film It's Never Too Late to Mend starring Tod Slaughter.