INTERNATIONAL PLAYERS
| NAME | YEAR(S) | POSITION | COUNTRY | CAPS |
| Harry Weston | 1901 | Forward | England | 1 |
| Edgar Mobbs | 1909-1910 | Wing | England | 7 |
| Gilbert Bull | 1914 | Prop | England | 1 |
| Freddie Blakiston | 1920-1925 | Flanker | England | 21 |
| Bob Webb | 1926-1929 | No 8 | England | 3 |
| Bobby Jones | 1926 | Fly-half | Wales | 3 |
| Wick Powell | 1926-1935 | Scrum-half | Wales | 3 |
| Eric Coley | 1929-1932 | No 8 | England | 2 |
| Thomas Harris | 1929-1933 | No 8 | England | 2 |
| Longland, Ray | 1932-1938 | Prop | England | 19 |
| Weston, Billy | 1933-1938 | Flanker | England | 16 |
| Dicks, John | 1934-1937 | Lock | England | 8 |
| White, Don | 1947-1953 | Flanker | England | 14 |
| Cannell, Lewis | 1948-1957 | Centre | England | 19 |
| Berridge, Michael | 1949 | Prop | England | 2 |
| Hyde, John | 1950 | Wing | England | 2 |
| Gray, Thomas | 1950-1951 | Full-back | Scotland | 3 |
| Bailey, Niall | 1952 | Wing | Ireland | 1 |
| Butterfield, Jeff | 1953-1959 | Centre | England | 28 |
| Leadbetter, Victor | 1954 | No 8 | England | 2 |
| Parsons, Michael | 1968 | Lock | England | 4 |
| Taylor, Phil | 1955-1962 | No 8 | England | 6 |
| Sykes, Frank | 1955-1963 | Wing | England | 4 |
| Jeeps, Dickie | 1956-1962 | Scrum-half | England | 24 |
| Jacobs, Ron | 1956-1964 | Prop | England | 29 |
| Hetherington, James | 1958-1959 | Full-back | England | 6 |
| Underwood, Martin | 1962-1964 | Wing | England | 5 |
| Hosen, Roger | 1963-1967 | Full-back | England | 10 |
| Hancock, Andy | 1965-1966 | Wing | England | 3 |
| Savage, Keith | 1966-1968 | Wing | England | 13 |
| Wintle, Trevor | 1966-1969 | Scrum-half | England | 5 |
| Powell, David | 1966-1971 | Prop | England | 11 |
| Taylor, Bob | 1966-1971 | Flanker | England | 16 |
| Larter, Peter | 1967-1973 | Lock | England | 24 |
| Prout, Derek | 1968 | Wing | England | 2 |
| West, Bryan | 1968-1970 | Flanker | England | 8 |
| Arneil, Rodger | 1968-1972 | Flanker | Scotland | 22 |
| Wardlow, Chris | 1969-1971 | Centre | England | 6 |
| Wright, Ian | 1971 | Fly-half | England | 4 |
| Page, Jacko | 1971-1975 | Scrum-half | England | 5 |
| Pearce, Gary | 1979-1991 | Prop | England | 36 |
| Bateman, Allan | 1990-2001 | Centre | Wales | 35 |
| Mendez, Federico | 1990-2005 | Hooker | Argentina | 73 |
| Olver, John | 1990-1992 | Hooker | England | 3 |
| Bayfield, Martin | 1991-1996 | Lock | England | 31 |
| Lam, Pat | 1991-1999 | No 8 | Samoa | 34 |
| Edwards, Neil | 1992-1994 | Lock | Scotland | 6 |
| Hunter, Ian | 1992-1995 | Full-back/wing | England | 7 |
| Rodber, Tim | 1992-1999 | No8/flanker/lock | England | 44 |
| Townsend, Gregor | 1993-2003 | Fly-half | Scotland | 82 |
| Bell, Jon | 1994-2003 | Centre | Ireland | 36 |
| Brouzet, Olivier | 1994-2003 | Lock | France | 71 |
| Williams, Steve | 1994-2003 | Lock | Wales | 28 |
| Dods, Michael | 1994-1996 | Wing/full-back | Scotland | 8 |
| Walton, Peter | 1994-1999 | Flanker | Scotland | 24 |
| Grayson, Paul** | 1995-2004 | Fly-half | England | 32 |
| Dawson, Matt** | 1995-2006 | Scrum-half | England | 77 |
| Clarke, Allen | 1995-1998 | Hooker | Ireland | 8 |
| Scelzo, Martin | 1996-2001 | Prop | Argentina | 59 |
| Stewart, Matt | 1996-2002 | Prop | Scotland | 34 |
| Beal, Nick | 1996-1999 | Full-back | England | 15 |
| Martin, Luca | 1997-2002 | Full back | Italy | 38 |
| Smith, Tom | 1997-2005 | Prop | Scotland | 61 |
| Leslie, John | 1998-2002 | Centre | Scotland | 23 |
| Pountney, Budge | 1998-2002 | Flanker | Scotland | 31 |
| Brotherstone, Steve | 1999-2002 | Hooker | Scotland | 8 |
| Moir, Craig | 2000 | Wing | Scotland | 3 |
| Metcalfe, Richard | 2000-2001 | Lock | Scotland | 9 |
| Cohen, Ben** | 2000-2006 | Wing | England | 57 |
| Thompson, Steve** | 2002-2011 | Hooker | England | 73 |
| Morris, Robbie | 2003 | Prop | England | 2 |
| Sempere, Cesar | 2004 | Full back | Spain | |
| Gray, Scott | 2004-2009 | Flanker | Scotland | 8 |
| Lamont, Sean | 2004-2016 | Wing | Scotland | 105 |
| Tonga'uiha, Soane | 2004-2015 | Prop | Tonga | 18 |
| Quinlan, David | 2005 | Centre | Ireland | 2 |
| Geraghty, Shane | 2007-2009 | Fly half | England | 6 |
| Murray, Euan | 2007-2015 | Prop | Scotland | 66 |
| Hartley, Dylan* | 2008- | Hooker | England | 97 |
| Horne, Rob | 2008-2017 | Centre | Australia | 34 |
| Picamoles, Louis | 2008-2019 | No 8 | France | 77 |
| Dan Biggar* | 2008-2019 | Fly-half | Wales | 70 |
| Lawes, Courtney* | 2009- | Lock | England | 71 |
| Doran Jones, Paul | 2009-2013 | Prop | England | 6 |
| Foden, Ben | 2009-2013 | Full back | England | 34 |
| Artemyev, Vasily | 2009-2019 | Wing | Russia | 84 |
| Ansbro, Joe | 2010-2012 | Centre | Scotland | 11 |
| Ashton, Chris | 2010-2019 | Wing | England | 44 |
| Fotuali'i, Kahn | 2010-2017 | Scrum-half | Samoa | 35 |
| Pisi, George | 2010-2016 | Centre | Samoa | 21 |
| North, George | 2010-2018 | Wing | Wales | 83 |
| Ma'afu, Campese | 2010-2018 | Prop | Fiji | 56 |
| Wood, Tom* | 2011-2017 | Flanker | England | 50 |
| Corbisiero, Alex | 2011-2015 | Prop | England | 22 |
| Ratuniyarawa, Api* | 2012-2018 | Back Row | Fiji | 30 |
| Dowson, Phil | 2012 | Back row | England | 7 |
| Dickson, Lee | 2012-2014 | Scrum-half | England | 18 |
| Pisi, Ken | 2012-2017 | Wing | Samoa | 13 |
| Myler, Stephen | 2013 | Fly half | England | 1 |
| Manoa, Samu | 2010-2018 | Lock/Back Row | USA | 22 |
| Burrell, Luther | 2014-2016 | Centre | England | 15 |
| Tuala, Ahsee* | 2014-2018 | Full Back | Samoa | 16 |
| Dolan, Cam | 2013-2019 | No 8 | USA | 44 |
| Brookes, Kieran | 2014-2016 | Prop | England | 16 |
| Clark, Calum | 2015 | Back row | England | 1 |
| Estelles, Juan Pablo | 2008-2016 | Centre | Argentina | 3 |
| Harrison, Teimana* | 2016- | Back row | England | 5 |
| Hill, Paul* | 2016- | Prop | England | 5 |
| Tuitavake, Nafi | 2016-2018 | Centre | Tonga | 11 |
| Francis, Piers* | 2017-2018 | Centre | England | 4 |
Caps and years are total for international career and correct as of 4 June 2019.
Players who have been internationals but did not play a test during their Saints career are not featured.
*Denotes players that are current Saints players
**Denotes 2003 Rugby World Cup winners
BRITISH AND IRISH LIONS
| YEAR | COUNTRY TOURED | PLAYERS |
| 1955 | South Africa | Jeff Butterfield, Dickie Jeeps, Frank Sykes |
| 1959 | Australia, New Zealand | Jeff Butterfield, Dickie Jeeps |
| 1962 | South Africa | Dickie Jeeps |
| 1966 | New Zealand | David Powell, Keith Savage |
| 1968 | South Africa | Peter Larter, Keith Savage, Bob Taylor, Bryan West |
| 1993 | New Zealand | Martin Bayfield, Ian Hunter |
| 1997 | South Africa | Nick Beal, Matt Dawson, Paul Grayson, Tim Rodber, Gregor Townsend, Sir Ian McGeechan (coach) |
| 2001 | Australia | Ben Cohen, Matt Dawson |
| 2005 | New Zealand | Steve Thompson |
| 2009 | South Africa | Euan Murray |
| 2017 | New Zealand | Courtney Lawes, George North |
Players who have toured with British and Irish Lions but did not play a test during their Saints career are not featured.
