| Concurso | Data | Site |
| SARL 80m QSO Party | 1700Z-2000Z, Apr 2 | https://mysarl.org.za/contest-resources/ |
| EA RTTY Contest | 1200Z, Apr 4 to 1200Z, Apr 5 | https://concursos.ure.es/en/eartty/bases/ |
| Louisiana QSO Party | 1400Z, Apr 4 to 0200Z, Apr 5 | https://laqp.w5gad.org/rules |
| SP DX Contest | 1500Z, Apr 4 to 1500Z, Apr 5 | https://spdxcontest.pzk.org.pl/2026/rules.php |
| ARS Spartan Sprint | 0000Z-0200Z, Apr 7 | http://ars-qrp.com/Spartan_Sprint/Spartan_Sprint.html |
| QRP ARCI Spring QSO Party | 0000Z-0600Z, Apr 11 | http://qrparci.org/contest/spring-qso-party |
| JIDX CW Contest | 0700Z, Apr 11 to 1300Z, Apr 12 | http://www.jidx.org/jidxrule-e.html |
| DIG QSO Party, CW | 1200Z, Apr 11 to 1100Z, Apr 12 | https://dig-contest.de/rules |
| OK/OM DX Contest, SSB | 1200Z, Apr 11 to 1159Z, Apr 12 | http://okomdx.crk.cz/index.php?page=SSB-rules-english |
| SKCC Weekend Sprintathon | 1200Z, Apr 11 to 2359Z, Apr 12 | https://www.skccgroup.com/operating_activities/weekend_sprintathon/ |
| IG-RY World Wide RTTY Contest | 1200Z, Apr 11 to 1800Z, Apr 12 | https://www.ig-ry.de/ig-ry-ww-contest |
| New Mexico QSO Party | 1400Z, Apr 11 to 0200Z, Apr 12 | http://www.newmexicoqsoparty.org/ |
| Missouri QSO Party | 1400Z, Apr 11 to 2000Z, Apr 12 | http://www.w0ma.org/index.php/missouri-qso-party |
| Africa FT4 DX Contest | 1500Z-1800Z, Apr 11 | https://mysarl.org.za/contest-resources/ |
| Georgia QSO Party | 1800Z, Apr 11 to 2359Z, Apr 12 | https://gaqsoparty.com/ |
| Hungarian Straight Key Contest | 1500Z-1600Z, Apr 12 | https://hskc.ha8kux.com/ |
| 4 States QRP Group Second Sunday Sprint | 0000Z-0200Z, Apr 13 | http://www.4sqrp.com/SSS/sss_rules_revised_02_2026.pdf |
| NTC QSO Party | 1900Z-2000Z, Apr 16 | https://pi4ntc.nl/ntcqp/ |
| World Wide Holyland Contest | 2100Z, Apr 17 to 2059Z, Apr 18 | https://tools.iarc.org/wwhc/#/rules |
| ES Open HF Championship | 0500Z-0859Z, Apr 18 | https://erau.ee/images/LL/ES-Open_rules.pdf |
| Worked All Provinces of China DX Contest | 0600Z, Apr 18 to 0559Z, Apr 19 | http://www.mulandxc.com/index/match_info?id=13 |
| Dutch PACCdigi Contest | 0700Z-1900Z, Apr 18 | https://www.veron.nl/vereniging/commissies-en-werkgroepen/traffic-bureau/hf-contesten/paccdigi-rules/ |
| QRP to the Field | 0800 local-1800 local, Apr 18 | http://www.zianet.com/qrp/qrpttf/pg.html |
| CQMM DX Contest | 0900Z, Apr 18 to 2359Z, Apr 19 | http://www.cqmmdx.com/rules/ |
| World Time Zone Challenge | 1200Z, Apr 18 to 1200Z, Apr 19 | https://wtzc-contest.com/rules |
| Michigan QSO Party | 1600Z, Apr 18 to 0400Z, Apr 19 | https://miqp.org/index.php/rules/ |
| EA-QRP CW Contest | 1700Z, Apr 18 to 1200Z, Apr 19 | https://www.eaqrp.com/index.php/actividades/concurso?id=307 |
| Ontario QSO Party | 1800Z, Apr 18 to 2000Z, Apr 19 | http://www.va3cco.com/oqp/rules.htm |
| Quebec QSO Party | 1300Z-2359Z, Apr 19 | https://quebecqsoparty.org/ |
| ARRL Rookie Roundup, SSB | 1800Z-2359Z, Apr 19 | http://www.arrl.org/rookie-roundup |
| Run for the Bacon QRP Contest | 2300Z, Apr 19 to 0100Z, Apr 20 | http://qrpcontest.com/pigrun/ |
| SKCC Sprint | 0000Z-0200Z, Apr 22 | https://www.skccgroup.com/operating_activities/weekday_sprint/ |
| SP DX RTTY Contest | 1200Z, Apr 25 to 1200Z, Apr 26 | http://www.pkrvg.org/strona,spdxrttyen.html |
| Helvetia Contest | 1300Z, Apr 25 to 1259Z, Apr 26 | https://uska.ch/en/events/uska-helvetia-contest-h26/# |
| Florida QSO Party | 1600Z, Apr 25 to 2159Z, Apr 26 | http://floridaqsoparty.org/rules/ |
| BARTG Sprint 75 | 1700Z-2059Z, Apr 26 | http://bartg.org.uk/wp/bartg-sprint75-contests/ |
