| 1-2-3 Show (magazine, RTHK (Hong Kong)) | (1 broadcast) | Official links: program page, RTHK (Hong Kong) |
| 10 Things That Scare Me (talk, NYPR) | (podcast) | Official links: program page, NYPR |
| 100 Percent Whatever (eclectic music, WFMU) | (1 broadcast) | Official links: program page, WFMU |
| 11 Central Avenue (literature/drama, Chi PM) | (podcast) | Official links: program page, Chi PM |
| 12th Street Jump (jazz music) | (7 broadcasts) | Official links: program page |
| 1370 Connection - Healthy Fridays (health, WXXI) | (podcast) | Official links: program page, WXXI |
| 1A (talk, NPR/WAMU) | (147 broadcasts+podcast) | Official links: program page, NPR, WAMU |
| 2 Dope Queens (talk, NYPR) | (podcast) | Official links: program page, NYPR |
| 2021 with Richard Kingsmill (pop/rock music, ABC) | (5 broadcasts+podcast) | Official links: program page, ABC |
| 2FM Overnight (pop/rock music, RTE (Ireland)) | (3 broadcasts) | Official links: program page, RTE (Ireland) |
| 3rd Thursdays (live music/variety, PCBC) | (podcast) | Official links: program page, PCBC |
| 411 Teen (children's/youth, WFSU) | (1 broadcast) | Official links: program page, WFSU |
| 50 More Things That Made the Modern Economy (documentary, BBC WS) | (podcast) | Official links: program page, BBC WS |
| 50's R-and-B (urban music, WWOZ) | (1 broadcast) | Official links: program page, WWOZ |
| 51 Percent (special interest, WAMC) | (24 broadcasts+podcast) | Official links: program page, WAMC |
| 52nd Street Jazz (jazz music, LRPR) | (1 broadcast) | Official links: LRPR |
| 77 Percent (world affairs, DW (Germany)) | (12 broadcasts+podcast) | Official links: program page, DW (Germany) |
| 88 Jazz Place (jazz music, WDNA) | (4 broadcasts) | Official links: program page, WDNA |
| 90-Second Naturalist (health, Cin PR) | (podcast) | Official links: program page, Cin PR |
| 90.5 Classical (classical music, WKAR) | (5 broadcasts) | Official links: program page, WKAR |
| 99 Percent Invisible (documentary, PRX) | (podcast) | Official links: program page, PRX |