The meaning of the Acronym OTB is...

OTB is

• Office of Tony Blair

More Meanings For OTB:

• Off Trial Balance
• Orix Trust and Banking
• On The Ball
• On Time Bonus
• Open To Buy
• One Term Blunt
• Outside The Box
• Open To Buy
• Off The Beat
• Off The Board
• Over The Bars
• Off Track Betting
• On The Button
• On The Button
• Only The Best

OTB is also in:

• Accounting
• Firms
• General
• Military
• Music
• SMS
• Sports
• Stock Exchange