Snow White and the Seven Dwarfs -- just an evil step mother
Pinocchio -- just a father
Fantasia -- n/a
Dumbo -- just a mom
Bambi -- mom dies in movie, dad is present
Saludos Amigos -- n/a
The Three Caballeros -- n/a
Make Mine Music -- n/a
Fun and Fancy Free -- n/a
Melody Time -- n/a
The Adventures of Ichabod and Mr. Toad -- um, well, I can't remember
Cinderella -- just an evil step-mom
Alice in Wonderland -- I think there's 2 parents, but they're hardly mentioned
Peter Pan -- two parents, not central figures
Lady and the Tramp -- two human parents
Sleeping Beauty -- two parents for Aurora, just a father for Phillip
101 Dalmatians -- two human parents, two dog parents
The Sword in the Stone -- no parents, adoptive father
The Jungle Book -- no parents
The Aristocats -- just the mom cat, though a dad-type is added along the way
Robin Hood -- not really applicable
The Many Adventures of Winnie the Pooh -- assumed that Christopher Robin has both parents
The Rescuers -- no parents, evil adoptive "mother"
The Fox and the Hound -- no parents, or just a mother and just a father
_
The Black Cauldron -- no parents that I can recall
The Great Mouse Detective -- erm, I think they were rescuing the little mouse's father?
Oliver and Company -- no parents, adopted by a father-type and a girl
__
The Little Mermaid -- just a father, Eric has no parents (but a father-figure)
The Rescuers Down Under -- no parents
Beauty and the Beast -- just a father, Beast has no parents
Aladdin -- no parents, later revealed that he has a father; Jasmine has just a father
The Lion King -- both parents for half the movie, plus an uncle!

Father is killed in movie
Pocahontas -- just a father
The Hunchback of Notre Dame -- just a evil father-figure
Hercules -- has two sets of parents, Hera and Zeus, and the human parents, PLUS a father-figure
Mulan -- mom, dad and grandmom
__
Tarzan -- no human parents, ape-mom, father-figure
Fantasia 2000 -- n/a
The Emperors New Groove -- no parents, but, um, the dude has a wife and kids, so that's a family
Atlantis: The Lost Empire -- never saw it
Lilo & Stitch -- parents died, raised by older sister
Toy Story/Toy Story 2 -- mom, no dad
A Bug's Life -- never mentioned. There's the Queen....
Monsters Inc. -- Boo's parents don't seem to miss her...
Finding Nemo -- Mom and siblings are killed in the first five minutes