Namesakes
Harry Potter Characters:
1 character
Mundungus Fletcher 
Notable Actors and Actresses:
2 actors, 1 actress
Bramwell Fletcher 1904-1988
Louise Fletcher 1934-
Alan Fletcher 1957-
Olympic Medalists:
1 bronze, 1 bronze/gold
(bronze/gold) Jennie Fletcher 1912 swimming - 100 m freestyle; swimming - 4x100 m freestyle relay
(bronze) Caroline Fletcher 1924 diving - springboard
Oscar Award Winners:
1 actress
(actress) Louise Fletcher 1975 One Flew Over the Cuckoo's Nest