Obizzi, Marquis Tomasso Degli · Padua · worked 1769
Obrecht, Mathias · Colmar · worked 1819
Ochs, Henry P. · Oregon · worked 1961
Octigan, William · Melbourne · worked 1920–1930
Odani, Giuseppe Morello · Naples · worked 1730–1760
Odden, Gunder · Granite Falls · worked 1957
Oddone, Carlo Giuseppe · Turin · 1866–1935
Odoardi, Antonio (I) · Poggia and Ascoli · worked 1800
Odoardi, Antonio (II) · Poggia and Ascoli
Odoardi, Giuseppe · Ascoli and 2 more · b. 1746
Odoj, Hubert Jan · b. 1924
Odulf, Gustaf · Stockholm · b. 1899
Oeberg, S A · Stockholm
Oehme, Adam Gottfried · Freiburg
Oeller, Carl · Salzburg
Oelling, Johann Valentin · Crawinkel · 1822–1899
Oerlecke, Heinrich Christian · Tangermunde
Oernberg, N. · Westeras · worked 1790
Oertel, Louis · Hanover · worked 1866–1926
Oettel, Arthur · Markneukirchen · worked 1878–1925
Oettinger, A. J. · Boston · b. 1860
Offenbeeck, Abraham Jooseten Van · Antwerp · c.1580–1628
Ohberg, Johann (I) · Stockholm · 1723–1779
Ohberg, Johann (II) · Stockholm · 1753–1781
Ohlhaver, Heinrich · Hamburg · worked 1921
Ohlsson, Emil · Nykoping · b. 1892
Ohlsson, Emil E. · Stockholm · b. 1896
Ohlsson, John · Emmaboda · b. 1893
Ohm, Friedrich Wilhelm · Basle · b. 1904
Ohman, John · Spokane · 1900–1983
Olafson, Oliver G. · Roseau County · b. 1898
Old, William · Falmouth
Oldham, Thomas · Tewkesbury · worked 1810–1825
Olert, Albrecht · Lubeck · d. 1642
Oliveira-Tavares, Domingo de · Rio de Janeiro
Oliver, Barry · Cestria
Oliver, Carl E. · Jewell County · b. 1912
Oliver, Freeman Adams · Boston · worked 1886–1910
Oliver, James · Reading · worked 1808–1846
Oliver, John W. · Portland · worked 1949
Oliver, Nelson · Melbourne
Oliver, Samuel N. · Muskegon · worked 1942
Oliver, Walter L. · Dallas · worked 1924
Oliveri, Felice · Turin · 1830–1910
Oliveri, Vincenzo · Turin · 1812–1886
Olivier, Christian · Paris · worked 1923
