| Pedro Ribeiro | 1 | 6.1Hard |
| Pedro Vasconcelos | 4 | 4.9Medium |
| Pehr Söderman | 19 | 4.8Medium |
| Peilin Zhong | 2 | 7.1Hard |
| Per Austrin | 118 | 5.1Medium |
| Peter Høyer | 1 | 3.3Medium |
| Peter Kluit | 1 | 8.4Hard |
| Peter Košinár | 1 | 5Medium |
| Peter Steele | 3 | 6.6Hard |
| Petr Mitrichev | 1 | 6.9Hard |
| Petter Daae | 4 | 5.4Medium |
| Petter Elvevoll | 2 | 4.1Medium |
| Philip Wellnitz | 1 | 5.8Hard |
| Philipp Reger | 1 | 4.8Medium |
| Pim Spelier | 5 | 4.1Medium |
| Piotr Micek | 1 | 6.6Hard |
| Piotr Rudnicki | 20 | 4.2Medium |
| Piotr Zielinski | 1 | 6.8Hard |
| Porter Scobey | 2 | 2.4Easy |
| Prabhakar Ragde | 2 | 4.2Medium |
| Prabhvir Babra | 1 | 7.6Hard |
| Programmeringsolympiaden | 1 | 1.8Easy |
| Pär Söderhjelm | 4 | 4Medium |
| Pål G. Drange | 4 | 6.3Hard |
| Pål Grønås Drange | 11 | 4.1Medium |
| Pétur Ólafur Aðalgeirsson | 2 | 1.3Easy |
| R. Marshall | 2 | 2.9Medium |
| Rachel Krohn | 2 | 6.9Hard |
| Ragnar Groot Koerkamp | 44 | 5.1Medium |
| Ragnar Nevries | 1 | 8Hard |
| Rama Aryasuta Pangestu | 24 | 6.4Hard |
| Ranald Lam Yun Shao | 2 | 7.7Hard |
| Raphaël Marinier | 2 | 6.2Hard |
| Rasmus Hulthe | 2 | 2.5Easy |
| Rasmus Pagh | 1 | 5.6Hard |
| Raunak Redkar | 3 | 3.7Medium |
| Raymond Kang Seng Ing | 1 | 6.2Hard |
| Raymond van Bommel | 10 | 5Medium |
| Reece Yankey | 1 | 5.9Hard |
| Reinier Schmiermann | 15 | 5.7Hard |
| Reiya Downs | 2 | 2.6Easy |
| Richard Peng | 5 | 4.9Medium |
| Rikard Lundmark | 1 | 4.3Medium |
| Rishi Sankar | 6 | 6.3Hard |
| Robert Hochberg | 10 | 4.8Medium |
| Robert McGorman | 1 | 2.3Easy |
| Robert Pilgrim | 1 | 2.4Easy |
| Robin Christopher Yu | 49 | 7.2Hard |
| Robin Lee | 23 | 5Medium |
| Roger Henriksson | 1 | 4Medium |
| Rohit Nema | 2 | 3.6Medium |
| Roland Tyler Killian | 1 | 4.4Medium |
| Ron Pacheco | 3 | 5Medium |
| Rongqi Qiu | 2 | 7.3Hard |
| Ruben Brokkelkamp | 2 | 5.5Medium |
| Rudy Matela | 1 | 1.8Easy |
| Rudy van Vliet | 1 | 5.5Hard |
| Rujia Liu | 5 | 4.2Medium |
| Ruth Risberg | 2 | 3.2Medium |
| Ryan Farrell | 5 | 3.3Medium |
| Ryan Henning | 2 | 5.4Medium |
| Ryan Manley | 1 | 4.1Medium |
| Ryan Mapes | 4 | 2.8Medium |
| Ryan Marshall | 5 | 3.6Medium |
| Ryan Rose | 1 | 3.4Medium |
| Ryan Tjoa | 1 | 5Medium |
| Rúnar Vestmann | 1 | 1.9Easy |
| S. Teikn Smith | 1 | 3.1Medium |
| Saarthak Sharma | 1 | 5.7Hard |
| Saketh Are | 1 | 5.3Medium |
| Sam Sartor | 4 | 3.8Medium |
| Samuel Furman | 3 | 3.6Medium |
| Samuel Tardieu | 1 | 5.9Hard |
| Samúel Arnar Hafsteinsson | 15 | 2.6Easy |
| Sander Alewijnse | 1 | 9.4Hard |
| Sander Land | 1 | 7Hard |
| Sandra Schumann | 1 | 6.4Hard |
| Sandro Esquivel | 1 | 6.2Hard |
| Sara Dögg Sigurðardóttir | 1 | 4.1Medium |
| Sarthak Shrivastava | 1 | 6.5Hard |
| Scott Batemen | 1 | 2.5Easy |
| Scott Enriquez | 1 | 2.4Easy |
| Scott McGowan | 1 | 3.9Medium |
| Sean McCulloch | 3 | 6.8Hard |
| Sebastian Angrick | 1 | 4.9Medium |
| Sebastian Meineche Falk | 1 | 5.4Medium |
| Serikzhan Kazi | 2 | 5.9Hard |
| Serikzhan S. Kazi | 1 | 2.5Easy |
| Shafaet Ashraf | 1 | 9.3Hard |
| Shaheed Ebrahim | 1 | 2.9Medium |
| Shahriar Manzoor | 1 | 5.8Hard |
| Shang-En Huang | 1 | 5.9Hard |
| Shantanu Modak | 3 | 4.1Medium |
| Shardul Dhongade | 1 | 3.8Medium |
| Shiplu Hawlader | 1 | 4.9Medium |
| Shubham Kumar | 2 | 6.1Hard |
| Sidhant Bansal | 2 | 3.3Medium |
| Sidney Cadot | 1 | 2.8Medium |
| Sigurður Helgason | 1 | 1.8Easy |
| Sigurður Jens Albertsson | 5 | 4.4Medium |
