Successor
Successor may refer to:

An entity that comes after another (see Succession (disambiguation))

Film and TV
The Successor (film), a 1996 film including Laura Girling
The Successor (TV program), a 2007 Israeli television program

Music
Successor (EP), an EP by Sonata Arctica
Successor (album), an album by Dedekind Cut

Mathematics
A successor cardinal
A successor ordinal
The successor function, the primitive defined as 
  
    
      
        S
        (
        n
        )
        =
        n
        +
        1
      
    
    {\displaystyle S(n)=n+1}
  
A successor (graph theory), a node following the current one in a path

Other
The Successor (novel), a 2003 novel by Ismail Kadare
The Diadochi, or Successors to Alexander the Great
Successor (horse), an American Thoroughbred racehorse
Successor, the working name for the class of British ballistic missile submarines, since renamed the Dreadnought-class
Khalifa, a Muslim who is considered a political-religious successor to the Islamic prophet Muhammad
Spiritual successor, a successor to a work of fiction which does not build upon the storyline established by a previous work
"The Successor" (short story), 1951 short story by Paul Bowles

See also
Success (disambiguation)
Legal successor (disambiguation)