* denotes Presenting Author
| Oancea, Cristina | TH-A-202-5 |
| Oare, Courtney | PO-GePV-T-40, SU-K-207-5*, SU-K-207-7* |
| Oates, M Elizabeth | MO-FG-201-6 |
| Obcemea, Ceferino | MO-J-BRB-0* |
| Obrien, Vanessa | SU-H430-IePD-F7-1 |
| O'Brien, Ricky | SU-H330-IePD-F8-1, MO-H345-IePD-F5-5, WE-C930-IePD-F2-1, WE-C1000-IePD-F6-3, TH-C-201-3, TH-E-201-2, TH-E-201-6 |
| Obuchowski, Nancy | MO-I430-BReP-F1-5 |
| Ocampo Ramos, Juan | SU-K-201-1, SU-K-201-7, TU-D1000-IePD-F8-5 |
| O'Connell, Dylan | PO-GePV-M-110*, PO-GePV-M-162, PO-GePV-M-179, PO-GePV-M-230, MO-FG-BRB-10, TH-E-BRC-1 |
| O'Connell, Jericho | WE-G-201-5, TH-E-201-5* |
| Oconnor, Caleb | PO-GePV-M-76 |
| O'Daniel, Jennifer | SU-F-BRA-6* |
| Oderinde, Oluwaseyi | PO-GePV-T-9, PO-GePV-M-139, SU-J-BRC-6, TU-F115-IePD-F7-1, TH-A-206-3 |
| Odisio, Bruno | PO-GePV-M-76, SU-E-BRB-5 |
| O'Donoghue, Joseph | TU-K-202-0*, TU-K-202-0* |
| Oelfke, Uwe | SU-K-BRC-4, MO-C930-IePD-F9-3 |
| O'Farrell, Desmond | TU-I345-IePD-F2-4, WE-E-BRA-4 |
| Ogawa, Ayaka | PO-GePV-I-11 |
| Ogawa, Shuta | PO-GePV-T-441 |
| O'grady, Fionnbarr | MO-I430-BReP-F3-3*, TU-F115-IePD-F6-2* |
| O'grady, Kyle | SU-F-BRA-8* |
| Ogunleye, Oreolutomiwa | PO-CHP-Exhibit Hall-14* |
| Oh, Jung Hun | PO-GePV-M-61, SU-H330-IePD-F9-6, SU-I400-BReP-F2-1 |
| Oh, Kyuhak | PO-GePV-T-354, SU-J-BRC-1*, MO-F-202-2 |
| Oh, Seungjong | PO-GePV-I-39, PO-GePV-M-254, PO-GePV-T-273, PO-GePV-T-325, PO-GePV-T-376, SU-H330-IePD-F6-2, SU-I400-BReP-F3-3, MO-I430-BReP-F2-3, TU-D930-IePD-F4-6 |
| Ohri, Katherine | SU-F-BRA-8 |
| Oinam, Arun | PO-GePV-M-310 |
| Okamoto, Hiroyuki | PO-GePV-M-222 |
| Okazaki, Keita | PO-GePV-T-95 |
| Oki, Yuya | PO-GePV-T-392 |
| Olanrewaju, Adenike | PO-GePV-M-10, SU-E-BRB-3, SU-F-BRB-2, SU-J-BRC-1, MO-C930-IePD-F4-1, WE-G-BRC-3 |
| Olch, Arthur | PO-GePV-T-92 |
| Olcott, Peter | PO-GePV-T-9 |
| Oldham, Mark | PO-GePV-T-74, PO-GePV-T-97, PO-GePV-T-272, WE-C930-IePD-F4-6 |
| Olguin, Edmond | MO-E115-IePD-F5-4* |
| Oliaei Motlagh, Seyyedeh Azar | WE-C1000-IePD-F3-4 |
| Oliver, Alexander | WE-G-201-6 |
| Oliver, Daniel | PO-GePV-T-418 |
| Oliver Gil, Sandra | PO-GePV-I-71 |
| Olivera Velarde, Daniela | SU-J-201-2, TU-D930-IePD-F3-3 |
| Oliviera, Angela | TU-H-BRA-3 |
| Olsen, Jeffrey | PO-GePV-M-102 |
| Olsen, Lindsey | TU-B-202-3*, TU-B-202-3, WE-FG-BRA-0* |
| Olson, Adam | TU-D1000-IePD-F2-2 |
| Omari, Eenas | PO-GePV-M-224, SU-H400-IePD-F8-2, SU-H400-IePD-F8-6, SU-K-BRC-1, MO-E115-IePD-F2-3*, MO-G-BRC-4, TH-F-BRC-4 |
| Omidi, Alireza | MO-E115-IePD-F6-3* |
| O'neil, Matthew | PO-GePV-T-372 |
| Onishi, Takao | PO-GePV-I-11* |
| Oostveen, Luuk | SU-F-201-7 |
| Opp, Daniel | PO-GePV-T-418 |
| Oraiqat, Ibrahim | TU-GH-BRB-9*, WE-C1000-IePD-F4-1 |
| O'Reilly, Shannon | PO-CHP-Exhibit Hall-3*, PO-GePV-E-8, SU-I400-BReP-F2-2* |
| Orji, Martina | SU-J-201-5 |
| Orlando, Nathan | TH-D-207-3* |
| Orton, Colin | TU-E-206-0* |
| Osei, Ernest | MO-F-202-3 |
| Ostdiek-wille, Garett | SU-F-206-4 |
| Osterman, K. Sunshine | SU-E-BRA-2, MO-G-202-5, MO-H345-IePD-F3-4, WE-FG-BRB-0* |
| O'Sullivan, Brian | SU-H430-IePD-F6-3 |
| O'Sullivan, Joseph | PO-GePV-T-3, TU-I345-IePD-F7-3 |
| Otazo, Ricardo | SU-K-BRC-6 |
| Otero, Nathan | PO-GePV-T-341* |
| Otts, Jeremy | TU-D930-IePD-F6-5 |
| Oumano, Michael | MO-J-BRC-0* |
| Overbeck, Christopher | WE-C930-IePD-F4-4 |
| Owen, Daniel | SU-H400-IePD-F4-3 |
| Owen, Dawn | TH-E-202-0* |
| Owen, Graham | PO-GePV-T-61, PO-GePV-M-208, PO-GePV-T-230, PO-GePV-M-272 |
| Owens, Constance | SU-H430-IePD-F5-3, MO-FG-BRB-5* |
| Owens, Steve | PO-GePV-M-205 |
| Ozawa, Shuichi | PO-GePV-T-235 |
| Ozer, Mustafa | TU-D1030-IePD-F6-1 |
| Ozoemelam, Ikechi | SU-K-202-4*, MO-C930-IePD-F6-1, MO-C930-IePD-F6-3*, MO-C930-IePD-F6-6, TU-GH-BRB-8, WE-C1000-IePD-F1-2 |