OCR One (ParaType)

Brand name
OCR A (ATF)

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Office Type Sans (Type Market)

Brand name
Lucida Sans (Bigelow & Holmes)

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Officina Sans (ITC)

Brand name
New Baskerville (ITC)

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Officina Serif (ITC)

Brand name
Officina Serif (ITC)

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Old King (SPSL)

Brand name
Albertus (Monotype)

Prototypes & Derivatives
Flareserif 821 (Bitstream)

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Oliver (Type Market)

Brand name
Antique Olive (Olive)

Prototypes & Derivatives
Alphavanti (Alphatype)
Berry Roman (Info)
Incised 901 (Bitstream)
Oliva (Autologic)

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Oliver New (Type Market)

Brand name
Antique Olive (Olive)

Prototypes & Derivatives
Alphavanti (Alphatype)
Berry Roman (Info)
Incised 901 (Bitstream)
Oliva (Autologic)

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Opium New (Type Market)

Brand name
Optima (Linotype)

Prototypes & Derivatives
Athena (Auto)
Exyle (Intermicro)
Musica (Alpha)
October (SC)
CGOmega (Agfa)
Opium (TypeMarket)
Optimal (Intermicro)
Optimist (Auto)
Opus (Tilde)
Ottawa (Corel)
Theme (IBM)
Variant (2Alex)
Zapf Humanist 601 (Bitstream)

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Osvald (Type Market)

Brand name
Cooper Black (ATF)

Prototypes & Derivatives
Osvald (TypeMarket)
Cooper (AzZet)
CooperDAT (2Alex)
Crown Style (Tilde)
Cupertino (Corel)

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