OTD

OTD may refer to:


 * Doctor of Occupational Therapy (OTD)
 * OTD (company)
 * ObjecTime Developer
 * Observed Time Difference, see E-OTD
 * Off the derech, a term for someone who has left an Orthodox Jewish community
 * Operational Technology Division, part of the FBI's Data Intercept Technology Unit
 * Ot Danum language (ISO 639-3 code: OTD)
 * Contadora Airport (IATA: OTD), Panama
 * Old Taiwan dollar, the former currency of Taiwan
 * Order to Delivery (OTD), a concept similar to Build to order