| QRP ARCI Topband Sprint | 0000Z-0300Z, Dec 1 | http://qrparci.org/contest/topband-sprint |
| ARRL 160-Meter Contest | 2200Z, Dec 2 to 1600Z, Dec 4 | http://www.arrl.org/160-meter |
| Wake-Up! QRP Sprint | 0600Z-0800Z, Dec 3 | http://qrp.ru/contest/wakeup/333-wakeup-eng |
| PRO CW Contest | 1600Z, Dec 3 to 1559Z, Dec 4 | http://www.procontestclub.ro/PCC%20Rules.html |
| FT Roundup | 1800Z, Dec 3 to 2359Z, Dec 4 | http://www.rttycontesting.com/ft8-roundup/rules/ |
| ARS Spartan Sprint | 0200Z-0400Z, Dec 6 | http://arsqrp.blogspot.com/2009/02/so-whats-spartan-sprint-and-how-do-i.html |
| ARRL 10-Meter Contest | 0000Z, Dec 10 to 2359Z, Dec 11 | http://www.arrl.org/10-meter |
| TRC Digi Contest | 0600Z, Dec 10 to 1800Z, Dec 11 | https://trcdx.org/rules-trc-digi/ |
| SKCC Weekend Sprintathon | 1200Z, Dec 10 to 2359Z, Dec 11 | http://www.skccgroup.com/operating_activities/weekend_sprintathon/ |
| QRP ARCI Holiday Spirits Homebrew Sprint | 2000Z-2300Z, Dec 11 | http://qrparci.org/contest/holiday-spirit-sprint |
| 4 States QRP Group Second Sunday Sprint | 0100Z-0300Z, Dec 12 | http://www.4sqrp.com/SSS/sss_rules.pdf |
| AGB-Party Contest | 2100Z-2400Z, Dec 16 | http://www.ev5agb.com/contest/agb_party.htm |
| RAC Winter Contest | 0000Z-2359Z, Dec 17 | https://www.rac.ca/wp-content/uploads/2021/10/ |
| OK DX RTTY Contest | 0000Z-2400Z, Dec 17 | http://okrtty.crk.cz/index.php?page=english |
| Croatian CW Contest | 1400Z, Dec 17 to 1400Z, Dec 18 | https://9acw.org/index.php/rules |
| Stew Perry Topband Challenge | 1500Z, Dec 17 to 1500Z, Dec 18 | http://www.kkn.net/stew/ |
| ARRL Rookie Roundup, CW | 1800Z-2359Z, Dec 18 | http://www.arrl.org/rookie-roundup |
| Run for the Bacon QRP Contest | 0200Z-0400Z, Dec 19 | http://qrpcontest.com/pigrun/ |
| RAEM Contest | 0000Z-1159Z, Dec 25 | https://raem.srr.ru/rules/ |
| DARC Christmas Contest | 0830Z-1059Z, Dec 26 | https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/en/ |
| SKCC Sprint | 0000Z-0200Z, Dec 28 | http://www.skccgroup.com/operating_activities/weekday_sprint/ |