Jack London 🌍 United States Jack Lord 🌍 United States Jack Lovelock 🌍 New Zealand Jack Lowden 🌍 United Kingdom Jack Lynch 🌍 Ireland Jack Ma 🌍 People's Republic of China Jack Markell 🌍 United States Jack Markle 🌍 Canada Jack Marshall 🌍 New Zealand Jack McBain 🌍 Canada Jack McBrayer 🌍 United States Jack McCulloch 🌍 Canada Jack McDevitt 🌍 United States Jack McDonald (ice hockey, born 1887) 🌍 Canada Jack McInerney 🌍 United States Jack Medica 🌍 United States Jack Mercer 🌍 United States Jack Mulhall 🌍 United States Jack Murdoch 🌍 Canada Jack Nance 🌍 United States Jack Nicholson 🌍 United States Jack Nicklaus 🌍 United States Jack Nitzsche 🌍 United States Jack Northrop 🌍 United States Jack Noseworthy 🌍 United States Jack O'Halloran 🌍 United States Jack Oakie 🌍 United States Jack Osbourne 🌍 United Kingdom Jack Owen 🌍 United States Jack Paar 🌍 United States Jack Palance 🌍 United States Jack Parsons 🌍 United States Jack Pickersgill 🌍 Canada Jack Pickford 🌍 Canada, United States Jack Portland 🌍 Canada Jack Purcell 🌍 Canada Jack Quaid 🌍 United States Jack R. Lousma 🌍 United States Jack Ragland 🌍 United States Jack Ramsay 🌍 United States Jack Reynor 🌍 United States Jack Rodewald 🌍 Canada Jack Rodwell 🌍 United Kingdom Jack Ruby 🌍 United States Jack Scalia 🌍 United States Jack Schlossberg 🌍 United States Jack Sharkey 🌍 United States Jack Sherman 🌍 United States Jack Sholder 🌍 United States Jack Sikma 🌍 United States Jack Smight 🌍 United States Jack Sock 🌍 United States Jack Sonni 🌍 United States Jack Steinberger 🌍 Germany, United States, Switzerland Jack Straw 🌍 United Kingdom Jack Studnicka 🌍 Canada Jack Swigert 🌍 United States Jack Teagarden 🌍 United States Jack Thayer 🌍 United States Jack Tramiel 🌍 Poland, United States