146 selected
- Not filled in
- O'Connor, F.
- O'Connor, Finbarr
- O'Connor, Finbarr
- O'Gorman
- O'Ryan, Fergus
- O'Sullivan, Sean
- O. Mele Inc.
- O.H.W. (Hadank, Oskar Hermann Werner (1889-1965))
- O.M.Diallo
- Oberholzer
- Oberholzer, Patrick
- Oberli, Klaus
- Obregon, A
- Obregon, Alejandro
- Ochendzan, Jaroslaw
- Ochi, Kazuhiro
- Ochoa, Isy (1961)
- Ochoa, J
- Odbayar, O
- Odiam, Karen
- Odjo, Emile
- Oeggerli, Martin
- Oehry, Walter
- Oertle, Anne
- Oesterlee, Susanne
- Oestreich
- Ogawa, Masanobu
- Ogden, Betina
- Oivo, Eeva
- OKA & Maïa
- Okrassa, Z.
- Olaf Olsen & Saviour Mifsud
- Olafsson, H.
- Olden, George Elliott [1920-1975]
- Oldenburg, A.
- Oleg & Aliona Cojocari
- Oleksii Kokhan (Kokhan, Oleksy Kuzmovych (1947))
- Olena Zavitailo (Zavitaylo, Olena)
- Olesen Nyström, B
- Olesen, P.H
- Olivadoti, Luigi
- Olivadoti, Luigi (1983)
- Oliveira Lopes da Cunha, Margarida Marie
- Oliveira, Jó
- Oliveira, Luis F.
- Oliveira, Luis Filipe
- Oliveira, Romo
- Oliver, Rodney
- Oliver, W.
- Oliver, William
- Olivia Ciappa (Ciappa, Olivier [1979])
- Oliviero, Jean-Jacques
- Olivur við Neyst
- Ollikainen, Teemu
- Ollila, Elias
- Ollington, Robin
- Olmic
- Olofsson, Jon
- Olofsson, Pierre (1921-1996)
- Olomo Belinga, Sylvestre
- Olrik, Ole Henrik Benedictus (1830-1890)
- Olsen, Aaju og Kristian
- Olsen, Dorit
- Olsen, R
- Olsson, Alf
- Olsson, G.
- Olsson, L.
- Olsson, Olle
- Olsson-Grönvik, Kerstin
- Oltean, R.
- Olvet, Maret
- Olwage, Andre
- Olyff, Clotilde (1962)
- Olyff, Michel (1927)
- Omholt, Björg
- Omlin, Margret
- Onaa Himanen
- Ondreicka, K
- Ong Kim Seng and Sylvia Tan
- Onipenko, Boris
- Onivaldo
- Ontwerpbureau 75B
- Ontwerpbureau Kummer & Herrman
- Ontwerpbureau LettError
- Ontwerpbureau Vividblue
- Ontwerpbureau Vormgoed
- Onwudimegwu, Austin
- Oona Himanen
- Oosterbaan, Joan C. (1928-2008)
- Oosterhof, Frans (1951)
- Oppenheuser, Johannes Georg (1884-1961)
- Opperman, Junaid
- OPT 2020
- OPT-DPP
- OPT-DPP 2015
- OPT-DPP 2018
- Orange Licensing B.V.
- ORARI
- Orbell, M.
- Ordonez, N.
- Orell Füssli Verlag
- Orient Communications
- Orkhan Garayev
- Orlowska-Gabrys, M.
- Oron, A.
- Orozco Rivera
- Orsiny, Jean-Guy
- Ortega, Luis Antonio
- Ortiz, Diego
- Ortiz, G.
- Ortona, A.
- Osborne Ross Design
- Osborne, Michael
- Osey, V.E.
- Osman, Amir bin
- Osolin, Alexander V.
- Ostrander Smith, Raymond [1873-1933]
- Ostrowski, J.
- Osuji, Godrick N.
- Otero, Moreno
- Otgonbayar, T
- Oth, Gery
- Otnes
- Otopal J.
- Otsue Junishi Dorei Sar
- Ott, F.
- Ott, Martina
- Otten, Marenthe (1969)
- Otto, Adolph
- Ouden, Willem den (1928)
- Oudiné, Eugène-André (1810-1887)
- Ouin, H. dit Lacroix
- Ouless, Philip John (1817-1885)
- Ouvré, Achille [1872-1951]
- Ovadia, Tali (Kahalon)
- Ovaere, Jenny
- Ovelar S.A.
- Overbeek, Joost
- Owsiak, Jerzy
- Oxenaar, Ootje (1929-2017)
- Oxenham, Michael N.
- Oxenham, Patrick
- Ozak, B.
- Ozard, B.
- Ozolin, Martin
- Ozolins, J