| 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 | Derek Reginald Bell MBE | Derek Reid |
| Derek Reilly | Derek Reisfield | Derek reisfield |
| Derek Rencher | Derek Reston | Derek Reston (Arrowverse) |
| Derek Richardson | Derek Richardson (actor) | Derek Richardson (disambiguation) |
| Derek Richardson (footballer) | Derek Richter | Derek Rickard |
| Derek Riddell | Derek Ridgers | Derek Ridgewell |
| Derek Rieth | Derek Riggs | Derek Riley |
| Derek Ringer | Derek Riordan | Derek Rivers |
| Derek Robbins | Derek Robert Miller | Derek Roberts |
| Derek Robertson | Derek Robertson (American football) | Derek Robertson (artist) |
| Derek Robertson (Australian politician) | Derek Robertson (disambiguation) | Derek Robertson (footballer) |
| Derek Robertson (politician) | Derek Robin Diamond | Derek Robins |
| Derek Robinson | Derek Robinson ("Red Robbo") | Derek Robinson (disambiguation) |
| Derek Robinson (novelist) | Derek Robinson (physicist) | Derek Robinson (spokesman) |
| Derek Robinson (sport shooter) | Derek Robinson (trade unionist) | Derek Roche |
| Derek Roddy | Derek Rodier | Derek Roe |
| Derek Roff | Derek Roland Clark | Derek Roman |
| Derek Ronald Sherborn | Derek Rose | Derek Ross |
| Derek Round | Derek Rowan | Derek Rowen |
| Derek Roy | Derek Roy (comedian) | Derek Royle |
| Derek Rucker | Derek Ruell | Derek Russell |
| Derek Russell Davis | Derek Ryan | Derek Ryan (disambiguation) |
| Derek Ryan (ice hockey) | Derek Ryan (singer) | Derek Ryan (squash player) |
| Derek Ryan Smith | Derek Rydall | Derek Ryder |
| Derek S. Green | Derek S. Pugh | Derek Sage |
| Derek Salman Pugh | Derek Samagalski | Derek Sampson |
| Derek sanders | Derek Sanders | Derek Sanderson |
| Derek Sanderson (soccer) | Derek Sanderson Jeter | Derek Sankey |
| Derek Santos Olson | Derek Sarno | Derek Saunders |
| Derek Savage | Derek Savage (disambiguation) | Derek Savage (filmmaker) |
