Topher, and less commonly Toph, are abbreviations of the name Christopher.
Notable people with the name include:
Topher Campbell, British director of film, television and theatre Topher Grace (born 1978), American actor Topher Payne (born 1979), American playwright and screenwriter Topher Ricketts (1955–2010), Filipino martial artist, teacher, actor and author
Fictional characters Topher (comics), a fictional villain in the Marvel Comics series Runaways Topher Brink, the fictional scientist in the series Dollhouse Topher, a character from Total Drama: Pahkitew Island