Here are the Clueless characters side by side with their Emma characters:
Cher Horowitz as Emma Woodhouse
Paramount, Focus Features
In Clueless and Emma: Both characters are slightly spoiled young women who try to play matchmaker for their friends.
Tai Frasier as Harriet Smith
Paramount / Courtesy Everett Collection, Focus Features
In Clueless and Emma: Both women are taken pity upon by Cher/Emma, who try to set them up with suitors (even though they already know who they like the best).
Josh as Mr. Knightley
Paramount, Focus Features
In Clueless: Cher's former step-brother.
In Emma: Emma's brother-in-law.
Mel Horowitz as Mr. Woodhouse
Paramount, Focus Features
In Clueless and Emma: Cher/Emma's father.
Christian as Frank Churchill
Paramount, Focus Features
In Clueless: Cher's love interest, who turns out to be gay.
In Emma: Emma's love interest, who turns out to be secretly engaged.
Travis as Robert Martin
Paramount, Focus Features
In Clueless and Emma: They are Tai/Harriet's love interests.
Elton as Mr. Elton
Paramount, Focus Features
In Clueless and Emma: Cher/Emma tries to set up Tai/Harriet with Elton/Mr. Elton, but both men are more interested in Cher/Emma, respectively.
Amber as Mrs. Elton
Paramount, Focus Features
*Amber is presumed to correspond to Mrs. Elton, though she also shares some similarities with Jane Fairfax (who does not blatantly appear in Clueless).
In Clueless: Amber is Cher's frenemy (who at one point dances with Elton, but it's never explicitly said if they're together).
In Emma: Mrs. Elton is Mr. Elton's eventual wife.
Mr. Hall as Mr. Weston
Paramount, Focus Features
*Mr. Hall is presumed to correspond to Mr. Weston.
In Clueless: Mr. Hall is Cher's teacher who she sets up with Miss Geist.
In Emma: Emma sets up Mr. Weston with Miss Taylor/Mrs. Weston.
Miss Geist (and maybe Dionne) as Mrs. Weston
Paramount, Focus Features
*Miss Geist is presumed to correspond to Mrs. Weston, and though Dionne seems to be a character original to Clueless, she is similar to Mrs. Weston in that she is one of Cher/Emma's best friends.
In Clueless: Miss Geist is Cher's teacher who she sets up with Mr. Hall.
In Emma: Mrs. Weston (formerly Miss Taylor) is Emma's former governess who she sets up with Mr. Weston.