| Derek Matlock | Derek Matthew Anderson | Derek Matthews |
| Derek May | Derek Mayer | Derek Mayers |
| Derek Mazou-Sacko | Derek McAleese | Derek McAuley |
| Derek McCleane | Derek McCormack | Derek McCormack (academic) |
| Derek McCormack (disambiguation) | Derek McCormack (writer) | Derek McCorquindale |
| Derek McCulloch | Derek McCulloch (comics) | Derek McDowell |
| Derek McGee | Derek McGill | Derek McGinty |
| Derek McGrath | Derek McGrath (actor) | Derek McGrath (disambiguation) |
| Derek McGrath (footballer) | Derek McGrath (hurler) | Derek McGrath (hurling manager) |
| Derek McGrath (rugby union) | Derek McInnes | Derek mcinnis |
| Derek McKay | Derek McKeith | Derek McKendry |
| Derek McLane | Derek McLean | Derek McLean - Professional Footballer |
| Derek McMinn | Derek McNally | Derek McNicholas |
| Derek McVey | Derek McWilliams | Derek Mears |
| Derek Meddings | Derek Meech | Derek Meeps |
| Derek Mendl | Derek Merrin | Derek Metzger |
| Derek Meyers | Derek Michael Besant | Derek Michael Chauvin |
| Derek Michael Coombs | Derek Michael Warburton | Derek Middleton |
| Derek Miles | Derek Millar | Derek Miller |
| Derek Miller (Canadian musician) | Derek Miller (disambiguation) | Derek Miller (field hockey) |
| Derek Mills | Derek Mills - Roberts | Derek Mills – Roberts |
| Derek Mills-Roberts | Derek mills-roberts | Derek Milman |
| Derek Minor | Derek Minor discography | Derek Minter |
| Derek Mio | Derek Mitchell | Derek Mitchell (civil servant) |
| Derek Mitchell (cricketer) | Derek Mitchell (disambiguation) | Derek Mollison |
| Derek Mombourquette | Derek Monaghan | Derek Montgomery |
| Derek Mooney | Derek Moore | Derek Moore-Brabazon |
| Derek Moore-Brabazon, 2nd Baron Brabazon of Tara | Derek Moran | Derek Morgan |
| Derek Morgan (cricketer) | Derek Morgan (Criminal Minds character) | Derek Morgan (Criminal Minds) |
| Derek Morgan (disambiguation) | Derek Morgan (rugby union) | Derek Moritz |
| Derek Morris | Derek Morris (academic) | Derek Morris (disambiguation) |
| Derek Morris (hockey player) | Derek Morris (ice hockey) | Derek Morris (Neighbours) |
| Derek Moss | Derek Mount | Derek Mountfield |
| Derek Mountford | Derek Moye | Derek Muller |
| Derek Mulligan | Derek Mulvaney | Derek Murphy |
| Derek Murphy (blogger) | Derek Murphy (disambiguation) | Derek Murphy (musician) |
| Derek Murray | Derek Murray (Australian footballer) | Derek Murray (disambiguation) |
| Derek Murray (footballer born 1960) | Derek Murray (footballer) | Derek Murray (footballer, born 1960) |
| Derek Murray (Gaelic footballer) | Derek Murray (Scottish footballer) | Derek Murray (sports presenter) |
| Derek Murray (Sports Presenter) | Derek Murray Wyatt | Derek N. Twist |
| Derek Nally | Derek Nash | Derek Nash (disambiguation) |
| Derek Nash (musician) | Derek Nash (saxophonist) | Derek Nash (soccer) |
| Derek Nassari | Derek Nathanial Luke | Derek Nathaniel Bell |
| Derek Neate | Derek Needham | Derek Neikirk |
| Derek Neilson | Derek Nesbitt | Derek Newark |
| Derek Newton | Derek Nguyen | Derek Nicholls |
| Derek Nicholson | Derek Nikitas | Derek Nimmo |
| Derek Nippard | Derek Niven | Derek Nixon |
| Derek Nolan | Derek Noonan | Derek Norman Hole |
| Derek Norris | Derek O'Brien | Derek O'Brien (disambiguation) |
| Derek O'Brien (drummer) | Derek O'Brien (footballer born 1957) | Derek O'Brien (footballer born 1979) |
| Derek O'Brien (footballer) | Derek O'Brien (footballer, born 1957) | Derek O'Brien (footballer, born 1979) |
| Derek O'Brien (politician) | Derek O'brien (quizmaster) | Derek O'Brien (quizmaster) |
| Derek O'Connor | Derek O'Connor (disambiguation) | Derek O'Connor (footballer, born 1955) |
| Derek O'Connor (footballer, born 1978) | Derek O'Connor (journalist) | Derek O'Dell |
| Derek O'Farrell | Derek O'Farrell (Brookside) | Derek O'Farrell (rower) |
| Derek O'Reilly | Derek Oatway | Derek O’Brien |
| Derek Ogbeide | Derek Ogg | Derek Ogilvie |
| Derek Oldbury | Derek Oldham | Derek Oliver |
| Derek Oliver Gladwin, Baron Gladwin of Clee | Derek Orford | Derek Oulton |
| Derek Owen | Derek Owusu | Derek P. Scales |
| Derek Pace | Derek Page | Derek Page, Baron Whaddon |
| Derek Pagel | Derek Palmer | Derek Palmer (businessman) |
| Derek Palmer (disambiguation) | Derek Palmer (priest) | Derek Palmer Jr. |
| Derek Pang | Derek Panter | Derek Panza |
| Derek Paravicini | Derek Pardon | Derek Parfit |
| Derek Parfitt | Derek parfitt | Derek Parish |
| Derek Parker | Derek Parker (footballer) | Derek Parkin |
| Derek Parks | Derek Parlane | Derek Parra |
| Derek Partridge | Derek Pascoe | Derek Patmore |
| Derek Pattinson | Derek Paul Boyle | Derek Paul Jack Boyle |
| Derek Paxton | Derek Payne | Derek Pearcy |
| Derek Peardon | Derek Pearsall | Derek Pearson |
| Derek Pegues | Derek Pell | Derek Pellicci |
| Derek Peltier | Derek Pender | Derek Penman |
| Derek Penslar | Derek Pepperell | Derek Percival Scales |
| Derek Percy | Derek Perera | Derek Peterson |
| Derek Phillips | Derek Phillips (actor) | Derek Phillips (disambiguation) |
| Derek Phillips (footballer born 1975) | Derek Phillips (footballer, born 1975) | Derek Phillips (New Zealand footballer) |
| Derek Piggott | Derek Pike | Derek Piotr |
| Derek Pitman | Derek Plante | Derek Plumbly |
| Derek Plumstead | Derek Pollard | Derek Pomana |
| Derek Popovich | Derek Porter | Derek Porter (disambiguation) |
| Derek Porter (footballer) | Derek Possee | Derek Potteiger |
| Derek Poundstone | Derek Powers | Derek Powers / Blight |
| Derek Prag | Derek Pratt | Derek Prentice |
| Derek Pressnall | Derek Preston | Derek Price |
| Derek Price (American football) | Derek Price (disambiguation) | Derek Price (Fireman Sam) |
| Derek Price/Rod Webster Prize | Derek Prime | Derek Prince |
| Derek Prine | Derek Pringle | Derek Pritchard, Baron Pritchard |
| Derek Prout | Derek Pugh | Derek Pyke |
| Derek Quick | Derek Quigley | Derek Quinlan |
| Derek Quinn | Derek Quinnell | Derek R. Hill |
| Derek R. Molter | Derek R. Peterson | Derek Rackley |
| Derek Rae | Derek Raivio | Derek Ramsay |
| Derek Ramsey | Derek Randall | Derek Ratcliffe |
| Derek Rawcliff | Derek Rawcliffe | Derek Ray |
| Derek Raymond | Derek raymond | Derek Rayner |
| Derek Rayner, Baron Rayner | Derek Redmond | Derek Reese |
| Derek Reeves | Derek Reffell | Derek Reginald Bell |
