| R(ender) | Oni | 2019 |
| R13 | Blacklist | |
| R2 | ADV Manga | 2004 |
| Raaz: Everyone has a Secret | CFX | 2019 |
| Rabagoo Race, The | Living the Line | 2025 |
| Rabbids | Papercutz | 2014-2015 |
| Rabbi Harvey Rides Again | Jewish Lights | 2008 |
| Rabbi’s Cat, The | Pantheon | 2005, 2007-2008 |
| Rabbit | Sharkbait | 1999 |
| Rabbit (Dog Daze) | Dog Daze | 1994 |
| Rabbit (Rooster) | Rooster | 1996 |
| Rabbithead | Alternative | 2004 |
| Rabbitman | Inked Ideas | 1998 |
| Rabbit Man, Tiger Man | Digital Manga | 2011 |
| Rabbit on the Run | Picture Window | 2021 |
| Rabid | FantaCo | |
| Rabid, The (Viper) | Viper | 2008 |
| Rabid Animal Komix | Krankin’ Komix | 1995-1997, 1999, 2004 |
| Rabid Monkey | D.B.I. | |
| Rabid Rabbit | Rabid Rabbit | |
| Rabid Rachel | Miller | |
| Rabid World | Scout | 2021 |
| Racconti del Terrore, I | Edizioni B.S.D. | 1991 |
| Racconti Stellari | Publistrip | 1979-1980 |
| Raccoon Kids | DC | 1954-1957 |
| Racc Pack, The | Simon & Schuster | 2024 |
| Race Against Time | Dark Angel | 1997 |
| Race for the Moon | Harvey | 1958, 2015 |
| Race for the Stars | Oniric | 2021 |
| Race into Space | Alan Class | 1961 |
| Race of Scorpions | Dark Horse | 1991-1992 |
| Race of Scorpions (Mini-Series) | Dark Horse | 1990-1991 |
| Racer X | Now | 1988-1989, 2008 |
| Racer X (2nd Series) | Now | 1989-1990 |
| Racer X (3rd Series) | WildStorm | 2000 |
| Racer X (Mad Cave) | Mad Cave | 2025-2026 |
| Racer X Premiere | Now | 1988 |
| RaceWarrior | Custom Comics of America | 2000 |
| Rachel Rising | Abstract | 2011-2016 |
| Rächer Comic-Taschenbücher, Die | Condor | 1979-1996 |
| Rack & Pain | Dark Horse | 1994 |
| Rack & Pain: Killers | Chaos | 1996-1997 |
| Racket Rumba | Flying Buttress | 1977 |
| Racket Squad in Action | Charlton | 1952-1958 |
| R.A.C.K.S. | Totally Rad Comics | 2020 |
| Radiant | Viz | 2019 |
| Radiant Black | Image | 2021-2026 |
| Radiant Black and White | Image | 2026 |
| Radiant Black: The Story So Far | Image | 2024 |
| Radiant Collapse, A | Robert Conner | 2022 |
| Radiant Love | Gilmor | 1953-1954 |
| Radiant Pink | Image | 2022-2023 |
| Radiant Red | Image | 2022 |
| Radiation Day | Comic Cave | 2014-2015 |
| Radical | Radical | 2009-2010 |
| Radical America Komiks | Paul Buhle | 1969 |
| Radical Dreamer | Blackball | 1994 |
| Radical Dreamer (Vol. 2) | Mark’s Giant Economy Size | 1995-1996 |
| Radical Dreamer Prime | Mark’s Giant Economy Size | 1996 |
| Radical Dreamer/Tug & Buster Preview | Radical Dreamer | 1995 |
| Radically Rearranged Ronin Ragdolls | Kevin Eastman | 2019, 2026 |
| Radical: My Year With a Socialist Senator | IDW | 2022 |
| Radical Shift of Gravity, A | IDW | 2019 |
| Radioactive Man | Bongo | 1993-1995, 2010 |
| Radioactive Man (Vol. 2) | Bongo | 2000-2004, 2007, 2010 |
| Radioactive Man 80 Page Colossal | Bongo | 1995 |
| Radioactive Man Radioactive Repository | HarperCollins | 2012 |
| Radioactive Panda | Eric A. Johnson | 2005 |
| Radioactive Spider-Man | Marvel | 2025-2026 |
| Radio: An Illustrated Guide | This American Life | 1999 |
| Radio Apocalypse | Vault | 2021-2022 |
| Radio Boy | Eclipse | 1987 |
| Radio Delley | IDW | 2019 |
| Radio Fun | Amalgamated | 1938-1961 |
| Radio Patrol | Arcadia Publications | 1988 |
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