| Year | Song | US | UK | Album |
| 1993 | "Limitations" (Souls of Mischief featuring Casual) | — | — | 93 'til Infinity |
| "Front Man" (Del Mix) (New Kingdom) | | | Non-album single |
| "Good Times" (Del Mix) (New Kingdom) | | | Non-album single |
| "Missing Link"[6] (Dinosaur Jr.) | | | Judgment Night (soundtrack) |
| 1994 | "Who's It On?" (Casual featuring Pep Love) | — | — | Fear Itself |
| "A Little Something" (Casual) | — | — |
| 1995 | "'94 Via Satellite" (Souls of Mischief) | — | — | No Man's Land |
| "17 Slaves" (African Identity) | — | — | You Won't Come to My Funeral |
| 1996 | "Critics" (Extra Prolific) | | | 2 for 15 |
| "Food Fight" (Digital Underground) | — | — | Future Rhythm |
| 1997 | "Three Emcees" (Kool DJ E.Q. featuring Xzibit and Casual) | — | — | — |
| 1998 | "The Repo Man Sings for You" (The Coup) | — | — | Steal This Album |
| 1999 | "The Projects (PJays)" [Handsome Boy Modeling School featuring Trugoy) | — | — | So... How's Your Girl? |
| "Magnetizing" (Handsome Boy Modeling School) | — | — |
| "Left Field" (Swollen Members featuring Unicorn) | — | — | Balance |
| "hoe!"[7] | | | Defenders of the Underworld" |
| "A Lesson Garden" (Eligh) | | | Gas Dream |
| "Re:Chill" (Various Blends) | — | — | Levitude |
| 2000 | "Ice Pirates" (Sunspot Jonz) | — | — | Child ov the Storm |
| 2001 | "Sound Science (Remix)" [Souls of Mischief | | | — |
| "Clint Eastwood" (Gorillaz | 57 | 4 | Gorillaz |
| "Rock the House" (Gorillaz) | — | 18 |
| "All We Know" (Virtuoso featuring Casual) | — | — | World War I: The Voice of Reason |
| "Del Meets the Dummies" (Stimulated Dummies) | | | — |
| 2003 | "360 Degrees" (Push Button Objects featuring Mr. Lif and DJ Craze) | — | — | Ghetto Blaster |
| "Take It Back" (Casual featuring Del the Funky Homosapien, Tajai and Volume 10) | — | — | Truck Driver |
| 2004 | "The World's Gone Mad" (Handsome Boy Modeling School featuring Alex Kapranos, Barrington Levy) | — | 82 | White People |
| "Size Double D" (Dopestyle 1231 featuring Del the Funky Homosapien) | — | — | Dopestyle 1231 |
| "War of the Masses" (Virtuoso featuring Del the Funky Homosapien) | — | — | World War II: Evolution of the Torturer |
| "On the Run Again" (Virtuoso featuring Del the Funky Homosapien and Jaz-O) | — | — |
| 2005 | "What's Wrong with This Picture (Opio featuring Del the Funky Homosapien) | | | Triangulation Station |
| "What U Hear" (Zion I featuring Del the Funky Homosapien) | — | — | True & Livin' |
| "Fragments" (Del the Funky Homosapien) | — | — | Wu-Tang Meets the Indie Culture |
| "Preservation" (Aesop Rock and Del the Funky Homosapien) | — | — |
| 2006 | "I'm Just Raw (Reopened & Remixed)" [Lyrics Born featuring Del the Funky Homosapien, Pigeon John and Tim Alexander] | — | — | Overnite Encore: Lyrics Born Live |
| "Fallicies" (King Medallion vs. Arch Angel featuring Del the Funky Homosapien) | — | — | Blak Majik |
| "Freal Version" (Bukue One featuring Del the Funky Homosapien, EMC, Abstract Rude, Ammbush, Motion Man and Mikah 9) | — | — | Intromission |
| 2007 | "Rockin' It" (Twigy featuring Del the Funky Homosapien and You The Rock) | — | — | Akasatana |
| 2008 | "Mr. Officer" (Snob Scrilla) | — | — | The Day Before |
| "Whatta Ya See" (Hopie featuring Kid Static) | — | — | The Diamond Dame |
| "Everytime" (Mike Relm featuring Adrian Hartley) | — | — | Spectacle |
| "Video Tapez" (AmpLive) | — | — | — |
| 2009 | "Dreamin'" (Gift of Gab featuring Brother Ali) | — | — | Escape 2 Mars |
| "Get It" (Tash) | — | — | Control Freek |
| "Samba Soul" (N.A.S.A. featuring DJ Qbert) | — | — | The Spirit of Apollo |
| "Lothar" (Sleep) | — | — | Hesitation Wounds |
| "Oops (Shmegma)" (Tame One & Parallel Thought featuring Del the Funky Homosapien) | — | — | Acid Tab Vocab |
| 2010 | "Do It Right Now" (Modern Science featuring Del the Funky Homosapien) | — | — | How the World Ends |
| "Ginsu Knives" (Psalm One featuring Del the Funky Homosapien) | — | — | Woman at Work Vol. 3 |
| "Down on the Westside" (Cisco Adler featuring Del the Funky Homosapien and Danny Way) | — | — | Supercalifragilisticexpialidocious |
| "Stoned" (C. Young featuring Del the Funky Homosapien) | — | — | 1991 EP |
| 2011 | "Oakland" (Lateef the Truthspeaker featuring Del the Funky Homosapien and The Grouch) | — | — | Firewire |
| "Hyperbolic" (Flash Bang Grenada featuring Del the Funky Homosapien) | — | — | 10 Haters |
| "Chicken (Ready to Go)" (Unwritten Law featuring Del the Funky Homosapien) | — | — | Swan |
| "Hip Hop Head" (Blastah Beatz featuring Del the Funky Homosapien and Pumpkinhead) | — | — | Graduate Studies |
| "Flamethrower" (Casual featuring Del the Funky Homosapien) | — | — | He Think He #Rapgod |
| "Song of Siren" (Dan Sena featuring Del the Funky Homosapien and Kylee Swenson) | — | — | Candy Floss Art Capitalist |
| "Space Case" (Hopie featuring Del the Funky Homosapien) | — | — | Raw Gems |
| "Golden Era" (Opio & Equipto featuring Del the Funky Homosapien) | — | — | Red X Tapes |
| "No No" (Illuminati Congo featuring Del the Funky Homosapien) | — | — | All Eye See |
| 2012 | "PG&E" (Lee Bannon featuring Del the Funky Homosapien and Sol) | — | — | Fantastic Plastic |
| "The Things" (Lee Bannon featuring Del the Funky Homosapien) | — | — |
| "Respect Game or Expect Flames" (Casual and J. Rawls featuring Del the Funky Homosapien) | — | — | Respect Game or Expect Flames |
| "Smoke Rings" (The Dirty Heads featuring Del the Funky Homosapien) | — | — | Cabin by the Sea |
| "The Ride" (¡Mayday! featuring Del the Funky Homosapien) | — | — | Thrift Store Halos |
| "Avantegarde" (Phesto Dee featuring Del the Funky Homosapien) | — | — | Background Check |
| "Prolly Get Slapped" (Luckyiam featuring Del the Funky Homosapien and Scarub) | — | — | Time to Get Lucky |
| "I'm Not Lonely" (White Mic featuring Del the Funky Homosapien and Andre Nickatina) | — | — | — |
| 2013 | "CNN" (Kool A.D. featuring Del the Funky Homosapien and Ladybug Mecca) | — | — | Not O.K. |
| "Bay of Pigs" (Vast Aire featuring Del the Funky Homosapien, Pidi T and Virtuoso) | — | — | Best of the Best Vol. 1 |
| "From Conception to 2 Cremation" (Abstract Rude featuring Del the Funky Homosapien) | — | — | Dear Abbey, The Lost Letters Mixtape |
| "Snowgoons Infantry" (Snowgoons and Virtuoso featuring Del the Funky Homosapien and Reks) | — | — | Covirt Ops: Infantry |
| "Lighters" (First Light featuring Del the Funky Homosapien, Casual and A-Plus) | — | — | Fallacy Fantasy |
| "Back to the Roots" (Marcus D featuring Del the Funky Homosapien) | — | — | Simply Complex |
| "Beast Mode" (Figure featuring Del the Funky Homosapien) | — | — | Horns of the Apocalypse EP |
| "War Call" (Figure featuring Del the Funky Homosapien) | — | — |
| "From the Town" (Money-B featuring Del the Funky Homosapien, Yukmouth and Shady Nate) | — | — | — |
| "Viberian Son" (JJ Doom featuring Del the Funky Homosapien) | — | — | Key to the Kuffs (Butter Edition) |
| 2014 | "Life and Time" (Kool A.D. featuring Del the Funky Homosapien and Ladybug Mecca) | — | — | Word O.K. |
| "Strange Universe" (CunninLynguists featuring Del the Funky Homosapien) | — | — | Strange Journey Volume Three |
| "Bouillon" (Slimkid3 & DJ Nu-Mark featuring Del the Funky Homosapien and Murs) | — | — | Slimkid3 & DJ Nu-Mark |
| "Liquifly" (DJ Qbert featuring Del the Funky Homosapien) | — | — | GalaXXXian |
| "Do What We Wanna Do" (Pete Cannon and Dr. Syntax featuring Del the Funky Homosapien and Jehst) | — | — | Killer Combo |
| 2015 | "Del's Couch" (Busdriver featuring Del the Funky Homosapien) | — | — | Thumbs |
| "What Is Your Name" (Sean Anonymous + Dimitry Killstorm featuring Del the Funky Homosapien and Haphduzn) | — | — | Better Days |
| "In My Veins" (Basecamp featuring Del the Funky Homosapien and Billie Black) | — | — | — |
| 2016 | "World Renown" (Mr. Lif featuring Del the Funky Homosapien) | — | — | Don't Look Down |
| "Rise Up" (Murs featuring Del the Funky Homosapien, Fashawn, Black Thought, Questlove and Domino) | — | — | Street Fighter V Theme |
| "Education" (Chuuwee featuring Del the Funky Homosapien) | — | — | Economics |
| "Beyond" (Luck & Lana Kill The Computer featuring Del the Funky Homosapien and Aesop Rock) | — | — | GO |
| "Maralém" (Brookzill! featuring Del the Funky Homosapien and Pequeno Cidadão) | — | — | Throwback to the Future |
| "The Good News" (thegoodnews. featuring Del the Funky Homosapien, Pete Feliciano, Ethan Baxley and Taka Tozawa) | — | — | thegoodnews. |
| "You'll Need a Cosign" (thegoodnews. featuring Del the Funky Homosapien) | — | — |
| "The Doors" (thegoodnews. featuring Del the Funky Homosapien, Gee and Jam Baxter) | — | — |
| 2017 | "Pizza Shop Extended" (Jay IDK featuring Yung Gleesh, MF Doom, and Del the Funky Homosapien) | — | — | IWasVeryBad |
| "Blame the Author" (L'Orange featuring Del the Funky Homosapien) | — | — | The Ordinary Man |
| "Small World" (Def3 featuring Del the Funky Homosapien, Moka Only and The Gaff) | — | — | Small World |
| "One of These Days" (Halo Orbit featuring Del the Funky Homosapien) | — | — | Halo Orbit |
| "Lone Wolves" (Cas One vs. Figure featuring Del the Funky Homosapien and Carnage The Executioner) | — | — | So Our Egos Don't Kill Us |
| 2018 | "Is It Worth It?" (Lyrics Born featuring Del the Funky Homosapien) | — | — | Quite a Life |
| "Stay in Yo Lane" (Dub Esquire featuring Del the Funky Homosapien, Mawnstr and P.E.A.C.E.) | — | — | The Return |
| "Human Tones" (Ill Equipt featuring Del the Funky Homosapien) | — | — | The Paradigm Project |
| 2021 | "Keep Walkin' On (Khrysis featuring Del the Funky Homosapien) | | | The Hour of Khrysis |
| "Bounty Law" (Doctor Destruction featuring Del the Funky Homosapien & Ghostface Killah) | — | — | Planetory Destruction |
| "Everybody" (Wax Tailor featuring Del the Funky Homosapien & Mr. Lif) | | | The Shadow of Their Suns |
| "Jason & The Czargonauts" (Czarface & MF DOOM featuring Del the Funky Homosapien) | — | — | Trip Around Saturn |
| "Brain Fog" (Little Stranger featuring Del The Funky Homosapien) | — | — | Super What? |
| 2022 | "Rebellion (AwareNess Remix)" (Angelo Moore & the Brand New Step featuring Del the Funky Homosapien) | | | Non-album single |
| 2023 | "Captain Chicken" (Gorillaz featuring Del the Funky Homosapien) | — | — | Cracker Island |
| "Catch Me" (Parallel Thought featuring Del the Funky Homosapien) | | | — |
| "The Return" (Living Legends featuring Del the Funky Homosapien) | | | The Return |
| 2024 | "I Am Happy" (Awolnation featuring Del the Funky Homosapien) | — | — | The Phantom Five |
| "Oops" (Tame One featuring Parallel Thought & Del the Funky Homosapien) | | | Acid Tab Vocab |
| "—" denotes releases that did not chart. |
