Peter Mitchell Grant OBE, FREng, FRSE, FIEE, FIEEE, FHEA, Eurasip Fellow (born 20 June 1944) is Senior Honorary Professorial Fellow, former Regius Professor of Engineering and Head of School of Engineering and Electronics at the University of Edinburgh. In 2004 he was awarded the 82nd Faraday Medal by the Institute of Electrical Engineers for his 'outstanding contributions to signal processing'.