| Year | Single | Artist | Album | Single peak chart position | | Album peak chart position | Role |
|---|
UK
[40] | US
| US Alt.
[41] | US Main
[41] | US Dance
[41] | SWE
| IRE
| NZ
| GER | UK
| US
| US Indie
| SWE
[42] | NLD [43]
[42] | BEL
| AUS
|
|---|
| 1980 | "I Dream of Wires" | Robert Palmer | Clues | — | — | — | — | — | — | — | — | — | | 31 | 59 | — | — | — | — | 26 | Keyboards & Writer |
| "Found You Now" | — | — | — | — | — | — | — | — | — | Co-Writer |
| 1981 | "Stormtrooper in Drag"† | Paul Gardiner | Dance (Reissued) | 49 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Producer & Lead Vocals |
| "Love Needs No Disguise" | Dramatis | For Future Reference | 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| "Stars" | Nicky Robson | Non Album Single | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Producer & Backing Vocals |
| 1982 | "Style Kills" | Robert Palmer | Maybe It's Live | — | — | — | — | — | — | — | — | — | 32 | 148 | — | 23 | 92 | — | — | Co-Writer |
| 1984 | "Venus in Furs" | Paul Gardiner | Non Album Single | 89 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Producer |
| "Show Me Something Real" | Tik and Tok | Intolerance | — | — | — | — | — | — | — | — | — | 89 | — | — | — | — | — | — | Keyboards & Backing Vocals |
| "A Child With A Ghost" | — | — | — | — | — | — | — | — | — | Writer |
| "Ultra Violet Light" | Claire Hamill | Touchpaper | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Keyboards |
| "Pump Me Up" | Caroline Munro | Non Album Single | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Keyboards, Backing Vocals, Production, Writer |
| "The Picture" | (B-Side to "Pump Me Up"') |
| "Pump Me Up" (Remix) | Non Album Single | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "Pump Me Up" (Instrumental) | (B-Side to "Pump Me Up" Remix') | Keyboards, Production, Writer |
| 1985 | "Change Your Mind" | Sharpe/Numan | Famous People | 17 | — | — | — | 35 | 19 | 22 | 39 | — | — | — | — | — | — | — | — | Lead Vocals |
| Automatic | 59† | — | — | — | — | — | — |
| 1986 | "New Thing From London Town" | Strange Charm † | 52 | — | — | — | — | — | — | — | — | 59 | — | — | — | — | — | — | Lead Vocals, Writer of Album Lyrics |
| 1987 | "Voices" | Automatic | — | — | — | — | — | — | — | — | — | 59† | — | — | — | — | — | — | Lead Vocals, Co-Writer |
| "Radio Heart" | Radio Heart | Radio Heart Featuring Gary Numan | 35 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| "London Times" | 48 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "All Across The Nation" | 81 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1988 | "No More Lies" | Sharpe/Numan | Automatic | 34 | — | — | — | — | — | — | — | — | 59† | — | — | — | — | — | — | Lead Vocals, Co-Writer |
| 1989 | "I'm On Automatic" | 44 | — | — | — | — | — | — | — | — | 59 | — | — | — | — | — | — |
| 1990 | "Adrenalin" | NY (collaboration between Gary Numan and Yen) | Non Album Single | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Co-Producer |
| 1994 | "Like a Refugee (I Won't Cry)" | Dadadang | Like a Refugee (I Won't Cry) EP | 78 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| "Like a Refugee (I Won't Cry)" (Acoustic Version) |
| "Like a Refugee (I Won't Cry)" (Pandemonium Mix) |
| 1995 | Are 'Friends' Electric? (Pacifica Mix) | Nancy Boy | Are 'Friends' Electric? EP | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Producer |
| Are 'Friends' Electric? (Desert Mix) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1998 | "Cars" | Fear Factory | Obsolete | 57 | — | 38 | 16 | — | — | — | — | — | 20 | 77 | — | — | — | — | — | Lead Vocals, Writer |
| "Obsolete" | — | — | — | — | — | — | — | — | — | Spoken Piece |
| 1999 | "I Live In Your Dreams" | Project Pitchfork | I Live In Your Dreams EP | — | — | — | — | — | — | — | — | 53 | — | — | — | — | — | — | — | Producer |
| 2000 | "A Sailor in Love with the Sea" | The 6ths | Hyacinths and Thistles | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| "Redirected Mail" | Dubstar | The Self Same Thing EP | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2003 | "Angels" | Junkie XL | A Broadcast From The Computer Hell Cabin | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | — | |
| "Ancients" | Gary Numan / Andy Gray | Hybrid | — | — | — | — | — | — | — | — | — | 99 | — | — | — | — | — | — | Lead Vocals, Co-Writer |
| "Crazier" | Gary Numan Vs. Rico | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| — |
| "Crazier" (Slide Remix) | Crazier EP |
| "Crazier" (Acoustic Glide Mix) |
| "Big Black Sea" | Lead Vocals |
| "Pray For You" | Plumps DJs | Eargasm | 89 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2005 | "Metal" | Afrika Bambaataa | Dark Matter Moving at the Speed of Light | — | 43 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals, Writer |
| 2007 | "Healing" | Ade Fenton | Artificial Perfect | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals, Co-Writer |
| "Slide Away" | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| "Recall" | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "The Leather Sea" | 72 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2009 | "25 Seconds" (Gary Numan & Ade Fenton Remix) | Mandy Kane | 25 Seconds EP | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Edit Co-Producer |
| "Venus in Furs" (with Little Boots) | The Velvet Underground | BBC Radio 6 Live | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Guest Vocals |
| "Stuck on Repeat" | Little Boots | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2011 | "My Machines" | Battles | Gloss Drop | — | — | — | — | — | — | — | — | — | 48 | 98 | 19 | — | — | 73 | — | Lead Vocals |
| "Crawl" | South Central | Society of the Spectacle | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2012 | "Petals" | Officers | On the Twelve Thrones | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dead Moon Falling | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "For You" | Andy Gray | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| For You EP | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "Pleasure In Heaven" | Motor | Man Made Machine | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2014 | "Long Way Down" | Masafumi Takada | The Evil Within (Original Game Soundtrack) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| 2015 | "Happiness" (Remix) | IAMX | Everything Is Burning (Metanoia Addendum) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Remix Producer |
| "Losing Myself In You" | VOWWS | The Great Sun | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| 2016 | "We Are All Hunted" | Andy Gray | For You EP | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "In My Liar's Grave" | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "It Will All Rain Down" | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| "Dark Rain" | Titán | Dama | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| "Swansea" | Dusky | Outer | — | — | — | — | — | — | — | — | — | 97 | — | — | — | — | — | — |
| "Here For You" | Jean-Michel Jarre | Electronica 2: The Heart of Noise | — | — | — | — | — | — | — | — | — | 8 | — | — | 27 | — | 14 | — | Lead Vocals, Co-Writer |
| "Talk (Are You Listening To Me?)" | John Foxx | 21st Century: A Man, A Woman And A City | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals, Co-Writer |
| "Within the Deepest Darkness (Fearful)" | The Mission | Another Fall From Grace | — | — | — | — | — | — | — | — | — | 38 | — | — | — | — | — | — | Backing Vocals |
| 2018 | "Polished Chrome (The Friend Part 1)" | Chris Liebing | Burn Slow | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| "Summer" (Gary Numan & Ade Fenton Edit) | Simple Minds | Non Album Single | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Edit Co-Producer |
| 2020 | "TOS2020" ( Tower of Strength ) (with Martin Gore, Midge Ure, Billy Duffy, Rachel Goswell, Andy Rourke, Julianne Regan, Kirk Brandon, Lol Tolhurst, and Miles Hunt) | The Mission | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Guest Vocals |
| 2021 | "I Know Time (Is Calling)" (with Paul McCartney) | Mark Ronson | Watch the Sound with Mark Ronson | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals, Co-Writer |
| "Love Like Anthrax" | Gang of Four | The Problem of Leisure: A celebration of Andy Gill and Gang of Four | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Lead Vocals |
| 2022 | "Vanishing Shadows" | Liela Moss | Internal Working Model | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | Guest Vocals |
| 2025 | "Guts of Love" | I Speak Machine | Non Album Single | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
