| Prabhvir Babra | 1 | 7.5Hard |
| Programmeringsolympiaden | 1 | 1.9Easy |
| Pär Söderhjelm | 4 | 4.6Medium |
| Pål G. Drange | 4 | 6.4Hard |
| Pål Grønås Drange | 11 | 4.1Medium |
| Pétur Ólafur Aðalgeirsson | 2 | 1.3Easy |
| R. Marshall | 2 | 3Medium |
| Rachel Krohn | 2 | 7.2Hard |
| Ragnar Groot Koerkamp | 44 | 5.1Medium |
| Ragnar Nevries | 1 | 8.1Hard |
| Rama Aryasuta Pangestu | 24 | 6.5Hard |
| Ranald Lam Yun Shao | 2 | 7.7Hard |
| Raphaël Marinier | 2 | 6.2Hard |
| Rasmus Hulthe | 2 | 2.5Easy |
| Rasmus Pagh | 1 | 5.8Hard |
| Raunak Redkar | 2 | 3.1Medium |
| Raymond Kang Seng Ing | 1 | 6.1Hard |
| Raymond van Bommel | 10 | 5Medium |
| Reece Yankey | 1 | 6Hard |
| Reinier Schmiermann | 15 | 5.5Hard |
| Reiya Downs | 2 | 2.6Easy |
| Richard Peng | 5 | 4.9Medium |
| Rikard Lundmark | 1 | 5.4Medium |
| Rishi Sankar | 6 | 6.3Hard |
| Robert Hochberg | 10 | 4.8Medium |
| Robert McGorman | 1 | 2.3Easy |
| Robert Pilgrim | 1 | 2.3Easy |
| Robin Christopher Yu | 49 | 7.2Hard |
| Robin Lee | 23 | 5.1Medium |
| Roger Henriksson | 1 | 4.5Medium |
| Rohit Nema | 2 | 3.5Medium |
| Roland Tyler Killian | 1 | 5.4Medium |
| Ron Pacheco | 3 | 5.2Medium |
| Rongqi Qiu | 2 | 7.3Hard |
| Ruben Brokkelkamp | 2 | 6.3Hard |
| Rudy Matela | 1 | 1.7Easy |
| Rudy van Vliet | 1 | 5.6Hard |
| Rujia Liu | 5 | 4Medium |
| Ruth Risberg | 2 | 3.1Medium |
| Ryan Farrell | 4 | 3.1Medium |
| Ryan Henning | 2 | 5.4Medium |
| Ryan Manley | 1 | 4.6Medium |
| Ryan Mapes | 4 | 3.5Medium |
| Ryan Marshall | 5 | 3.5Medium |
| Ryan Rose | 1 | 5.1Medium |
| Ryan Tjoa | 1 | 5.1Medium |
| Rúnar Vestmann | 1 | 1.9Easy |
| S. Teikn Smith | 1 | 3.4Medium |
| Saarthak Sharma | 1 | 5.8Hard |
| Saketh Are | 1 | 5.6Hard |
| Sam Sartor | 4 | 4.1Medium |
| Samuel Furman | 3 | 3.7Medium |
| Samuel Tardieu | 1 | 5.9Hard |
| Samúel Arnar Hafsteinsson | 15 | 2.6Easy |
| Sander Alewijnse | 1 | 9.3Hard |
| Sander Land | 1 | 7Hard |
| Sandra Schumann | 1 | 6.8Hard |
| Sandro Esquivel | 1 | 6.2Hard |
| Sara Dögg Sigurðardóttir | 1 | 4.1Medium |
| Sarthak Shrivastava | 1 | 7Hard |
| Scott Batemen | 1 | 3Medium |
| Scott Enriquez | 1 | 2.6Easy |
| Scott McGowan | 1 | 3.9Medium |
| Sean McCulloch | 3 | 6.9Hard |
| Sebastian Angrick | 1 | 4.6Medium |
| Serikzhan Kazi | 2 | 5.9Hard |
| Serikzhan S. Kazi | 1 | 2.5Easy |
| Shafaet Ashraf | 1 | 9.3Hard |
| Shaheed Ebrahim | 1 | 2.9Medium |
| Shahriar Manzoor | 1 | 6Hard |
| Shang-En Huang | 1 | 6.1Hard |
| Shantanu Modak | 3 | 4Medium |
| Shardul Dhongade | 1 | 4.4Medium |
| Shiplu Hawlader | 1 | 4.8Medium |
| Shubham Kumar | 2 | 6.1Hard |
| Sidhant Bansal | 2 | 3.5Medium |
| Sidney Cadot | 1 | 2.6Easy |
| Sigurður Helgason | 1 | 1.8Easy |
| Sigurður Jens Albertsson | 5 | 4.6Medium |
| Silviu Maniu | 2 | 3.8Medium |
| Simanta Mitra | 1 | 5.2Medium |
| Simen Hornnes | 3 | 6.3Hard |
| Simon Klein | 1 | 6.2Hard |
| Simon Lindholm | 33 | 7Hard |
| Sondre Sortland | 4 | 6Hard |
| Sonny Chan | 6 | 5.1Medium |
| Spencer Pao | 1 | 1.8Easy |
| Sri Vangaru | 1 | 6.5Hard |
| Stefan Büttcher | 3 | 4.9Medium |
| Stefan Kraus | 1 | 3.3Medium |
| Stefan Pszczolkowski | 1 | 2.1Easy |
| Stefan Toman | 1 | 2.1Easy |
| Stein Norheim | 7 | 5.7Hard |
| Steph Cheng | 1 | 8Hard |
| Sterling Larson | 1 | 4.7Medium |
| Sterling Smith | 1 | 1.9Easy |
| Steven Halim | 24 | 4.7Medium |
| Steven Wijaya | 2 | 7.3Hard |
| Steven Zeil | 11 | 5Medium |
| Stjepan Glavina | 2 | 5.1Medium |
