Letterbox (disambiguation)
# Letterbox (disambiguation)

A letter box is a receptacle for receiving mail.

Letterbox may also refer to:

* Distribution of advertising mail by letter box drop
* Letterboxing (filming), the practice of transferring film shot in a widescreen aspect ratio to standard-width, resulting in a letterbox
* Letterboxing (hobby), outdoor orienteering game
* Letter Box (TV series), a 1962 Australian game show
* "Letterbox", a song by They Might Be Giants from their 1990 album Flood
* Letterbox, a 2017 album by Marie Miller
* Letterboxing, a method which mitigates Internet tracking by screen size
