British vehicle registration for Birmingham
• (or o.l.) Med. oculus laevus (Latin: left eye)
• Postcode for Oldham
• Old Latin
• airline flight code for OLT- Ostfriesische Lufttransport
• Computing on-line
• operating licence
• (Officer of the) Order of Leopold
• Ordnance Lieutenant
• Sport outside left
• overflow level
• overhead line