As nouns the difference between convict and felon is that convict is (legal) a person convicted of a crime by a judicial body while felon is a person who has committed a felony or felon can be a bacterial infection of the pad at the end of a finger or toe.

Who is considered an ex con?

A convict is a person found guilty of a crime and sentenced by a court or a person serving a sentence in prison. Convicts are often also known as prisoners or inmates or by the slang term con, while a common label for former convicts, especially those recently released from prison, is ex-con (ex-convict).