| Tahun | Seri | Peran | Catatan |
| 1976 | Good Times | The Young Man | Episode: "J.J. in Trouble" |
| 1976 | Holmes & Yo-Yo | Gas Station Attendant | Episode: "Pilot" |
| 1979 | One Day at a Time | Bernard Shapiro | Episode: "Going Nowhere" |
| 1979–83 | Laverne & Shirley | Bobby Bitts, Joey Mitchell | 2 episodes |
| 1981 | Alice | Bones | Episode: "The Wild One" |
| 1986 | Jay Leno and the American Dream | Himself | Stand-up spesial |
| 1986 | Saturday Night Live | Himself (host) | Episode: "Jay Leno/The Neville Brothers" |
| 1988 | Sesame Street | Himself | Episode: "20.15" |
| 1990 | 42nd Primetime Emmy Awards | Himself (co-host) | TV spesial |
| 1992–2009, 2010-2014 | The Tonight Show with Jay Leno | Himself (host) | 4,610 episodes; juga penulis, produser eksekutif |
| 1993 | The Larry Sanders Show | Himself | Episode: "Performance Artist" |
| 1993 | Frasier | Don (suara) | Episode: "Oops" |
| 1994 | The Sinbad Show | Himself | 2 episodes |
| 1994–95 | The Fresh Prince of Bel-Air | Himself | 2 episodes |
| 1995, 1999 | Home Improvement | Himself | 2 episodes |
| 1995 | Mad About You | Himself | Episode: "Just My Dog" |
| 1995 | Happily Ever After: Fairy Tales for Every Child | Jay Frog (suara) | Episode: "The Frog Prince" |
| 1995 | JAG | Himself | 2 episodes |
| 1995 | Friends | Himself | Episode: "The One with Mrs. Bing" |
| 1996 | Seinfeld | Himself | Episode: "The Shower Head" |
| 1996 | Homicide: Life on the Street | Himself | Episode: "Sniper: Part 1" |
| 1996 | Wings | Himself | Episode: "The Team Player" |
| 1996 | Ellen | Himself | Episode: "Go Girlz" |
| 1996 | The Nanny | Himself | Episode: "The Taxman Cometh" |
| 1996 | 3rd Rock from the Sun | Himself | Episode: "Dick Jokes" |
| 1997 | Caroline in the City | Himself | Episode: "Caroline and the Bad Trip" |
| 1997 | Muppets Tonight | Himself | Episode: "The Cameo Show" |
| 1997 | Baywatch | Himself | Episode: "Talk Show" |
| 1997 | Veronica's Closet | Himself | Episode: "Pilot" |
| 1997–2002 | Just Shoot Me! | Himself | 2 episodes |
| 1998, 2016 | The Simpsons | Himself (suara) | 2 episodes |
| 1999 | South Park | Mr. Kitty (voice) | Episode: "Cartman's Mom Is a Dirty Slut" |
| 1998, 1999 | V.I.P. | Himself | 2 episodes |
| 1999 | Providence | Lucky the Dog (suara) | Episode: "Blind Faith" |
| 2000 | Dilbert | Himself (suara) | Episode: "The Delivery" |
| 2000 | The Drew Carey Show | Lewis' Boss | Episode: "Drew Live II" |
| 2000 | DAG | Himself | Episode: Pilot" |
| 2000 | The West Wing | Himself | Episode: "20 Hours in L.A." |
| 2001 | Titus | Himself | Episode: "The Pit" |
| 2001-2008, 2011 | The Fairly OddParents | Crimson Chin, Nega-Chin (suara) | 12 episodes |
| 2002 | The Osbournes | Himself | Episode: "The Osbournes" |
| 2003 | Scrubs | Himself | Episode: "My Own Private Practice Guy" |
| 2003 | The Bernie Mac Show | Himself | Episode: "Pink Gold" |
| 2005 | Joey | Himself | Episode: "Joey and the Tonight Show" |
| 2006, 2009, 2016 | Family Guy | Himself (suara), Himself | 3 episodes |
| 2006–sekarang | Jay Leno's Garage | Himself (host) | juga pencipta, penulis, produser eksekutif |
| 2009–10 | The Jay Leno Show | Himself (host) | 95 episodes; juga pencipta, penulis, produser eksekutif |
| 2009 | Entourage | Himself | Episode: "Drive" |
| 2010 | White House Correspondents' Dinner | Himself (host) | TV spesial |
| 2010 | Hannah Montana | Himself | Episode: "I'll Always Remember You" |
| 2012 | Louie | Himself | 2 episodes |
| 2013 | Real Husbands of Hollywood | Himself | Episode: "Auf Wiedersehen, Mitches" |
| 2014 | Episodes | Himself | Episode: "Episode Four" |
| 2014 | Phineas and Ferb | Colonel Contraction (suara) | Episode: "Phineas and Ferb Save Summer" |
| 2014–16 | The 7D | Crystal Ball (suara) | Peran berulang |
| 2015 | The Muppets | Himself | Episode: "Hostile Makeover" |
| 2015–sekarang | Last Man Standing | Joe Leonard | Peran berulang[6] |
| 2016 |
Ask the Storybots |
King Yardstick the Ruler |
Episode: "How Does Night Happen?" |
| 2017 | Lip Sync Battle | Himself | Episode: “Jay Leno vs. Craig Ferguson” |
| 2017–sekarang | Mickey and the Roadster Racers | Billy Beagle (suara) | Recurring role |
| 2019 | The Price Is Right | Himself | 8632K, Dream Car Week |