- Alice Cooper's Greatest Hits (record): This record has Groucho on the cover among others.
- All good things (1979) (movie): George Burns and his friends buy Groucho glasses as disguise for a bank robbery
- Animanics (TV cartoon): Wakko Warner does Gookies all the time. He is very much like a Harpo character, except he speaks. In an interview with Rob Paulsen (who does the voice for Yakko), he said that they actually modelled Yakko after Groucho.
- Annie Hall (Movie): Alvy Singer starts off with a Groucho Marx joke and mentiones it throughout the movie.
- Attack of the Killer Tomatoes (movie): At the end of the film, among the crowd (made up of "every quack in San Diego"), one can clearly see three men in (apparently deliberately bad) costumes as Groucho, Chico, and Harpo.
- Betty in Blunderland (1934) (Movie/Cartoon): Betty Boop goes to Lewis Carrol's Wonderland and sings "Everyone Says I Love You" from "Horsefeathers". Both that film and this cartoon were released by Paramount Pictures.
- Brain Donors (movie): inspired by "A Night at the Opera"
- Brazil (Terry Gilliam) (movie): The family is watching "The
Cocoanuts"
- Chitti Chitti Bang Bang (movie): At the beginning when they have dinner grandfather Potts quotes "I shot an elephant in my pyjamas ...", to which Caractacus replies "We have heard that before, haven't we"
- Click & Clack's show (29 Mar 1997) (TV show): One of the brothers reported that a psychiatrist has charged a patient
$300,000, because of the enormous number of multiple personalities he had to
treat. The personalities mentioned included a duck. "A duck?" blurted the
louder brother, while the other continued reading the report. "A duck?" the
louder one interrupted again. "Why a DUCK?" he said and erupted with their
patented machine-gun laughter.
- Coneheads (movie): Dan Ackroyd's character Beldar Conehead needs a phony green card so he can keep his job (since he's an illegal alien, yuk yuk). The name on the card? "Leonardo DeChico".
- Destination Gobi (movie): "Destination Gobi" is a 50's movie with Richard Widmark. It deals with a WWII troop responsible for monitoring weather conditions in neutral territory, hence their stationing
in the Gobi Desert.
At one point, one of their pieces of equipment breaks down, and somebody says
that a makeshift piece of equipment could be made if only they had some basic materials: A metal cup, some wire, etc. Anyway, one of the Mongolian guides starts pulling all of this stuff out of his shirt, causing one of the officers to say:
"This guy's the Harpo Marx of the Gobi Desert!"
- Don't shoot me, I'm only the piano player (Elton John) (Record): The cover is a front view of a theater with the obligatory box office
and "Now Showing" poster. In the lobby is a poster of "Go West".
- Easter Parade (movie): Judy Garland does a Gookie
- El Hazard (Animated Film): In English Dub of the Original Video Animation "El Hazard: the Magnificent World" the Character Jinni upon discovering that he has the ability to speak to the humanoid insects known as Bugrom, he promptly names his new followers Groucho, Harpo, Chico, Zeppo, Gummo and Margaret
- Everyone Says I Love You (movie): First reference of course is the title taken from the song in "Horse Feathers". There is also a 'Marx Bros Xmas Party' in Paris, and the guests are all wearing Groucho (or Harpo) masks. There is a Marx Christmas Tree too and a Groucho ballet which has 20-or-so dancers adorned with various "Groucho" costumes (as Spaulding, Kornblow, Wagstaff, etc.) dancing to Kalmar & Ruby's "Hooray For Captain Spaulding"
- House of 1,000 Corpses (2003) (movie): This horror movie has three characters named after Groucho characters. Captain Spaulding is the owner of a roadside horror museum/fried chicken joint, the psycho family's last name is Firefly and Otis Driftwood is the main killer who preaches to all of his victims.
- Indiana Jones and the Last Crusade (Movie): When Indiana Jones rescues his father from the Nazi Castle, the elder Jones hopes his son does not have the Grail Diary, a text sought after by Adolf Hitler. Upset when he discovers that Indy brought the diary with him, he proclaims, "I should have mailed it to the Marx Brothers!"
- Jonathan Creek (TV Drama): In the episode "The Tailor's Dummy" there is a strong reference to a Marx Brothers movie. I don't want to spoil your viewing and therefore will not give away any details. If you still want to know click here.
- Manhattan (Movie): Isaac talks into a tape recorder and tries to come up with things that make life worth living. His first entry is "Groucho Marx."
- McHale's Navy (1997) (Movie): McHale and his crew are sneaking behind enemy lines and all of them have on face paint. One of them has painted their face to look like Groucho. He even has the cigar.
- Mighty Aphrodite (movie): Woody Allen suggests "Harpo" and "Groucho" as names for his son
- Mrs. Doubtfire (Movie): When Daniel is interviewed by his court liason, he does various voices and impressions, including Groucho and Chico Marx. He even does Harpo's Gookie.
- Newsfront (1978) (Movie): This Australian film about rival newsreel companies in the 40's/50's starts off with footage of Chico at the piano playing "Waltzing Matilda" to convalesent soldiers (whom he gets to sing sing along). Taken during his late 40's tour of Australia.
- On the Road (Jack Kerouac) (book): Allen Ginsburgh appears as Carlo Marx
- Patch Adams (movie): Patch, played by Robin Williams, shows Marx Brothers films as therapy, stating, "You can never go wrong if you're a Marxist!"
- Peter and the Wolf (1994) (TV show): It was narrated by Sting.The hunters were depicted (in costume) by life-size "masked" likenesses of the 3 Brothers. Other than the narration, there was no dialogue.
- Queen (record): The Rock group Queen has albums called "A Day at the Races" and "A Night at the Opera". The golden album for one of these they presented to Groucho
- Quest for Glory II (Video game): The Marx Brothers make cameo appearances in the game. Alichica, the annoying merchant outside the inn in the Gate Plaza is Chico Marx, the saurus salesman Ali Fakir is Groucho Marx. Harpo Marx appears randomly on the streets of Shapeir as a clown with strange musical instruments when you have Silly Clowns turned on. Look for him in the alleyways of Shapeir.
- Red Dwarf - Episode 7 of Season 7 (TV show): Kryten meets a completely all-knowing alien so obviously his first question is 'Who was the 4th Marx Brother ?'
- Repossessed (movie): Linda Blair turns Leslie Nielsen into...Groucho
- Sam & Max (TV show): On the premiere episode there is a point where the Freelance Police approach a lonely shack in an alternate dimension. They knock at the door. A voice from inside calls out, "What's the password...?" and then adds, a moment later: "And if you say 'Swordfish' I'll scream!"
- Saturday Night Live 1993 (TV): Kevin Nealon makes a Marx Bros. joke on the "Weekend Update" segment of Saturday Night Live (Season 18, Ep. 20, Kevin Kline hosts). Nealon says: "And in foreign news, UN troops moved into the Bosnian town of Zepa, Monday; next week they’re expected to move on the towns of Groucha, Chicka, and Harpa."
- Slick Hare (Movie): In the 1947 Warner Bros. cartoon "Slick Hare," Elmer Fudd works a club populated by animated versions of the Marx Brothers, Lauren Bacall, Humphrey Bogart and Carmen Miranda.
- Stardust Memories (movie): There is a huge Groucho poster in Woody Allen's flat. Also somebody wants to write about the films of Gummo Marx
- Take the Money and Run (Movie): Virgil's parents give an interview while wearing Groucho masks.
- The Fisher King (Terry Gilliam) (Movie): Robin Williams character sings "Lydia"
- The Man Who Came to Dinner (George Kaufman) (play): It is usually said that Banjo is meant to be Harpo (and Harpo played him on tour) but Durante in the film always seems much more Chico-like.
- The Muppet Show (TV show): In the second episode of The Muppet Show (as well as on the cast album), Kermit the Frog sings "Lydia".
- The Philadelphia Story (1940) (Movie): Virginia Weidler(?) sings "Lydia"
- The Way We Were (movie): In the opening scene you can see a cinema advertising "Go West". In another scene Barbara Streisand, Robert Redford and others dress up as Groucho and Harpo for a party.
- Thelma and Louise (movie): Jimmy: Did I hear somebody say "Peaches"?
Louise: Oh my God. Jimmy.
Jimmy: That's the secret word. Show the lady what she's won, Don.
- To Harpo Marx (Poem): Jack Kerouac's poem about Harpo Marx.
- Twelve Monkeys (Terry Gilliam) (Movie): The inmates are watching "Monkey Business" on TV.
- When Harpo Played His Harp (music): On the 1988 album "Modern Lovers 88" - track 2 is called "When Harpo Played His Harp". Here is a live version:
In 1994 the singer of "Modern Lovers" did a solo album in Spanish "¡Jonathan, Te Vas a Emocionar!" with the song being called "Harpo en su Harpa"
- Young Frankenstein (Movie): Dr Frankenstein " Igor kindly help me with these bags ! "
Igor - " Ok you take the blonde and I'll take the one in the Turbin ! "
Marty Feldmans Groucho Marx line used at Gene Wilder in the movie Young Frankenstein