Emma Woodhouse is perhaps Austen’s most flawed heroine. I have a soft spot for her after reading the novel a bunch of times (it was assigned reading in multiple lit classes in college). All the television and movie adaptations of the novel on IMDb are listed below, excluding podcasts, audio books and shorts.

• Emma (1948) — Early BBC live tv production starring Judy Campbell as Emma. No recording exists.
• Emma (1954) — Kraft Theatre production live NBC broadcast starring Felicia Montealegre as Emma.
• Emma (1957) — Matinee Theater live tv production on NBC starring Sarah Churchill as Emma.
• Emma (1960) — Live BBC serial in six parts, with Diana Fairfax as Emma, David McCallum as Frank Churchill. Believed to be lost.
• Emma (1960) — Camera Three live broadcast on CBS starring Nancy Wickwire as Emma.
• Emma (1967) — 5 part Spanish series starring Lola Cardona as Emma.
• Emma (1972) — 6 part BBC series starring Doran Godwin as Emma. This is the earliest BBC production still in existence.
• Clueless (1995) — Modern update set in a Beverly Hills high school. Alicia Silverstone as Cher (Emma), Paul Rudd as Josh (Mr. Knightley), Brittany Murphy as Tai (Harriet), Jeremy Sisto as Elton (Elton), Breckin Meyer as Travis (Robert Martin). Directed by Amy Heckerling.
• Emma (1996) — Theatrical film starring Gwyneth Paltrow as Emma, Jeremy Northam as Mr. Knightley, Ewan McGregor as Frank Churchill, Alan Cumming as Mr. Elton, Toni Collette as Harriet Smith, Polly Walker as Jane Fairfax.
• Emma (1996) — BBC production written by Andrew Davies with Kate Beckinsale as Emma, Mark Strong as Mr. Knightley, Samantha Morton as Harriet, Olivia Williams as Jane Fairfax. Mark Strong is too scoldy. Not a favorite.
• Emma (2009) — BBC production written by Sandy Welch with Romola Garai as Emma, Jonny Lee Miller as Mr. Knightley, Michael Gambon as Mr. Woodhouse, Jodhi May as Mrs. Weston, Rupert Evans as Frank Churchill, Blake Ritson as Mr. Elton, Christina Cole as Mrs. Elton, Tamsin Greig as Miss Bates.
• Aisha (2010) — Modern Hindi version set in Delhi starring Sonam Kapoor as Aisha (Emma).
• Emma Approved (2013) — Web series. Emma Woodhouse is a lifestyle coach filming herself for a future documentary on her life. 72 episodes.
• The Emma Agenda (2017) — Another web series. In this one, Emma is a college student and a lesbian. Several characters are gender swapped, including Knightley of course. 60 episodes.
• Emma (2020) — Theatrical film starring Anya Taylor-Joy as Emma, Johnny Flynn as Mr. Knightley, Mia Goth as Harriet, Bill Nighy as Mr. Woodhouse, Josh O’Connor as Mr. Elton, Callum Turner as Frank Churchill, Rupert Graves as Mr. Weston, Gemma Whelan as Mrs. Weston, Miranda Hart as Miss Bates.
• Lights, Camera, Romance (2021) — Modern update tv movie (Hallmark?)
• Love Magick (2023) — Emma is a lesbian wiccan living in New York City in 2013.