This is a list of animated feature films first released in 1973.
| Title | Country | Director | Studio | Technique | Format | Notes | Release | Duration | |
|---|---|---|---|---|---|---|---|---|---|
| 20,000 Leagues Under the Sea | Originally aired from October 1 to October 8, 1972, as a two-part installment of the syndicated animated anthology series Festival of Family Classics (1972–1973). | 40 minutes | |||||||
| Adventures of Mowgli | Soviet Union | July 31, 1973 | 96 minutes | ||||||
| The Adventures of Barbapapa | Italy | Polyscope B. V. Frank Fehmers Productions B. V. Reflex Cinematographica Distribuzione Heritage Italiana | 70 minutes | ||||||
| The Adventures of Hijitus | Argentina | Producciones García Ferré | September 12, 1973 | 82 minutes | |||||
| Belladonna of Sadness | Japan France | [1] | June 30, 1973 | 86 minutes | |||||
| The Black Arrow | Australia | Leif Gram | Air Programs International | Originally aired as the 14th installment of the CBS animated anthology series Famous Classic Tales (1970–1984). | December 2, 1973 | ||||
| Charlotte's Web | United States | Paramount Pictures Hanna-Barbera Sagittarius Productions | March 1, 1973 | 94 minutes | |||||
| The Count of Monte Cristo | United States Australia | Originally aired as the 9th installment of the CBS animated anthology series Famous Classic Tales (1970–1984). | September 23, 1973 | 60 minutes | |||||
| Fantastic Planet | Czechoslovakia France | May 11, 1973 | 71 minutes | ||||||
| Heavy Traffic | United States | August 8, 1973 | 76 minutes | ||||||
| The Incredible, Indelible, Magical, Physical, Mystery Trip | United States | Originally aired as the 5th installment of the ABC anthology television series ABC Afterschool Special (1972–1997). | February 7, 1973 | 45 minutes | |||||
| Johnny Corncob | Hungary | Marcell Jankovics[2] [3] | First Hungarian animated feature. | May 1, 1973 | 74 minutes | ||||
| Johnny in the Valley of the Giants | France | Films Jean Image | April 19, 1973 | 60 minutes | |||||
| Kidnapped | Australia | Leif Gram | Air Programs International | Originally aired as the 10th installment of the CBS animated anthology series Famous Classic Tales (1970–1984). | October 22, 1973 | 47 minutes | |||
| King Dick | Italy | Alpha D. C. Monti Film S. O. N. – Parigi | 67 minutes | ||||||
| Little 8th Route Army | China | ||||||||
| Lost in Space | United States | September 8, 1973 | 60 minutes | ||||||
| Luvcast U.S.A. | United States | January 6, 1973 | 60 minutes | ||||||
| Magic Adventure | Spain | June 9, 1973 | 69 minutes | ||||||
| Man: The Polluter | Canada Yugoslavia | August 8, 1973 | 53 minutes | ||||||
| Marco | United States Japan | Rankin/Bass Toho Company Video Tokyo Production (Animagic) | December 1973 | 109 minutes | |||||
| Mazinger Z vs. Devilman | Japan | July 18, 1973 | 43 minutes | ||||||
| The Mini-Munsters | United States | Gerard Baldwin | October 27, 1973 | 60 minutes | |||||
| Nanny and the Professor and the Phantom of the Circus | United States | Sequel to Nanny and the Professor (1972). | November 17, 1973 | 60 minutes | |||||
| Once Upon a Time | Italy West Germany | Kauka-Film Gamma Film | December 12, 1973 | 78 minutes | |||||
| The Panda's Great Adventure | Japan | March 17, 1973 | 53 minutes | ||||||
| Piconzé | Brazil | Telstar Filmes | First Brazilian animated feature film filmed in color. | January 24, 1973 | 80 minutes | ||||
| Robin Hood | United States | November 8, 1973 | 83 minutes | ||||||
| The Swiss Family Robinson | Australia | Leif Gram | Air Programs International | Originally aired as the 11th installment of the CBS animated anthology series Famous Classic Tales (1970–1984). | October 28, 1973 | 47 minutes | |||
| That Girl in Wonderland | United States | January 13, 1973 | 60 minutes | ||||||
| The Adventures of Milo & Otis | Soviet Union | June 27, 1973 | 91 minutes | ||||||
| The Three Musketeers | United States Australia | Originally aired as the 13th installment of the CBS animated anthology series Famous Classic Tales (1970–1984). | November 23, 1973 | 50 Minutes | |||||
| Treasure Island | United States | First film of the aborted Filmation anthology film series Family Classics, which yielded from a distribution deal with Warner Bros. by the animation studio. | December 9, 1973 | 87 minutes | |||||
| Twenty Thousand Leagues Under the Sea | United States Australia | Originally aired as the 12th installment of the CBS animated anthology series Famous Classic Tales (1970–1984). | November 22, 1973 | 60 minutes | |||||
| Walt Disney's 50th Anniversary Show | United States | Film compiled from Disney theatrical animated shorts; originally released theatrically for overseas markets and never in the United States. | July 12, 1973 | 87 minutes |