RDP is an acronym that can stand for:

RaceDataPower, software tools for Motorsports

Reconstruction and Development Programme, South Africa's original post-Apartheid economic framework

Radiodifusão Portuguesa, subsidiary of Rádio e Televisão de Portugal

Ratos de Porão, a Brazilian hardcore band

Recursive descent parser

Remote Desktop Protocol

Rivière-des-Prairies, now part of the Rivière-des-Prairies–Pointe-aux-Trembles borough of Montreal

Recreational Dive Planner

Reliable Datagram Protocol, also known as Reliable User Datagram Protocol (RUDP)