Tammi

Tammi may refer to


 * Tammi (company), a Finnish publishing company
 * Emma Tammi, the director of Five Nights at Freddy's (film)
 * Jukka Tammi (born 1962), Finnish ice hockey goaltender
 * Tammi Musumeci (born 1994), American submission grappler and Brazilian jiu-jitsu competitor
 * Tammi Øst (born 1958), Danish actress
 * Tammi Patterson (born 1990), Australian tennis player
 * Tammi Piermarini (born 1967), American jockey
 * Tammi Reiss (born 1970), American actress and basketball player
 * Tammi Terrell (1945–1970), American singer
 * Tammi Wilson (born 1973), New Zealand rugby union player