| James Merritt | Bedford | TX | Approved | 25008 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| James Merritt | Bedford | TX | Approved | 25008 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Ferdinand Mienie | MISSOURI VALLEY | Iowa | Approved | 26099 | Grade 5 Senior (18 and over) | | | | | | | |
| Amanda Miller | Sioux Falls | South Dakota | Approved | 26031 | Grade 5 Senior (18 and over) | Grade 4 | | | | | | |
| Joshua Miller | St. Louis | MO | Approved | 26089 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Nicholas Monin | Willowick | OH | Approved | 20051 | Grade 1 | Grade 1 | | | | | | |
| Ryan Moore | Thunder Bay | ON | Approved | 20896 | Grade 3 | Grade 4 | | | | | | |
| Evy Mroz | Grand Rapids | MI | Approved | 25024 | | | Grade 4 | | | | | |
| Christopher Mudd | Oklahoma City | OK | Approved | 26083 | Grade 4 Senior (18 and over) | | | | | | | |
| Scott Mueller | Milwaukee | WI | Approved | 20096 | Grade 3 | Grade 3 | | | | | | |
| Mica Murdoch | West Des Moines | iowa | Approved | 20117 | Grade 4 Senior (18 and over) | | | | | | | |
| James Murray | Milan | IN | Approved | 26104 | Grade 5 Senior (18 and over) | (none) | | | | | | |
| Patrick Muscia | Lake Villa | Illinois | Approved | 20260 | Grade 4 Senior (18 and over) | | | | | | | |
| Tad Myers | St Paul Park | MN | Approved | 20311 | | | | | | | Register as an Adjudicator | |
| Paul Napolitano | St Charles | IL | Approved | 20120 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Kevin Neveau | Pulaski | WI | Approved | 20928 | Grade 1 | Grade 1 | | | | | | |
| Kevin Nickerson | Peoria | IL | Approved | 25025 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Daniel Nicla | Winona | MN | Approved | 20845 | Grade 3 | Grade 3 | | | | | | |
| Daniel Nixon | Solon Springs | WI | Approved | 26072 | Grade 2 | Grade 3 | | | | | | |
| Jim O’Brien | St. Charles | MO | Approved | 25021 | Grade 4 Senior (18 and over) | | Grade 5 | | | | | |
| Tom Ogilvy | Springfield | Illinois | Approved | 20857 | Grade 1 | (none) | (none) | (none) | (none) | (none) | Register as an Adjudicator | |
| Alice Ohlinger | Hamilton | Ohio | Approved | 26059 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| John-Paul Olszewski | Highland | Michigan | Approved | 20899 | Grade 4 Junior (under 18) | Grade 4 | | | | | | |
| Paul Olszewski | Highland | Michigan | Approved | 20898 | Grade 5 Senior (18 and over) | | | | | | | |
| Sean OMalley | Apple Valley | MN | Approved | 25027 | Grade 5 Senior (18 and over) | | | | | | | |
| Jennilyn Oster | Kingsley, MI | MI | Approved | 20068 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Keegan Oster | Kingsley, MI | MI | Approved | 20795 | Grade 4 Junior (under 18) | Grade 4 | | | | | | |
| Paul Owings | Fort Worth | Texas | Approved | 20840 | Grade 3 | Grade 3 | | | | | | |
| Matt Pantaleoni | Saint Louis | Missouri | Approved | 20220 | Open | Open | | | | | Register as an Adjudicator | |
| DANIEL PARRY | North Richland Hills | TX | Approved | 20819 | Grade 3 | Grade 3 | | | | | | |
