Parliamentary candidates in Hertfordshire
This is a list of Parliamentary candidates standing for constituencies in Hertfordshire. The table is sortable by party, constituency name or candidate name.
| Candidate | Party | Sitting MP | Constituency | Elections |
| Orhan, Ayfer | Labour | no | Hemel Hempstead | 2010 |
| Penning, Mike | Conservative | yes | Hemel Hempstead | 1997, 2010 |
| Price, Janet | BNP | no | Hemel Hempstead | 2010 |
| Alexander, David | UKIP | no | Hemel Hempstead | 2010 |
| Grayson, Richard | Liberal Democrat | no | Hemel Hempstead | 2010 |
| Brandon, Ian | Green | no | Watford | 2010 |
| Brinton, Sal | Liberal Democrat | no | Watford | 2010 |
| Ward, Claire | Labour | yes | Watford | 1997, 2001, 2005, 2010 |
| Eardley, Graham | UKIP | no | Watford | 2010 |
| Emerson, Andrew | BNP | no | Watford | 2010 |
| Harrington, Richard | Conservative | no | Watford | 2010 |
| Gauke, David | Conservative | yes | South West Hertfordshire | 2010 |
| Featherstone, Edward | Liberal Democrat | no | South West Hertfordshire | 2010 |
| Cross, Kerron | Labour | no | South West Hertfordshire | 2010 |
| Rodden, Colin | UKIP | no | South West Hertfordshire | 1997, 2010 |
| Eggleston, Pete | Green | no | St Albans | 2010 |
| Stocker, John | UKIP | no | St Albans | 2010 |
| Main, Anne | Conservative | yes | St Albans | 2005, 2010 |
| Mills, Roma | Labour | no | St Albans | 2010 |
| Walkington, Sandy | Liberal Democrat | no | St Albans | 1983, 1987, 2010 |
| de Botton, Oli | Labour | no | Hitchen and Harpenden | 2010 |
| Lilley, Peter | Conservative | yes | Hitchen and Harpenden | 1997, 2001, 2005, 2010 |
| Quinton, Nigel | Liberal Democrat | no | Hitchen and Harpenden | 2010 |
| Saunders, John | UKIP | no | Hitchen and Harpenden | 2001, 2005, 2010 |
| Wise, Richard | Green | no | Hitchen and Harpenden | 2010 |
| Clappison, James | Conservative | yes | Hertsmere | 1992, 1997, 2001, 2005, 2010 |
| Russell, Sam | Labour | no | Hertsmere | 2010 |
| Rowlands, Anthony | Liberal Democrat | no | Hertsmere | 2010 |
| Krishna-Das, Arjuna | Green | no | Hertsmere | 2010 |
| Rutter, David | UKIP | no | Hertsmere | 2010 |
| Seabrook, Daniel | BNP | no | Hertsmere | 2010 |
| Harvey, Martin | UKIP | no | Broxbourne | 2010 |
| Lemay, Debbie | English Democrats | no | Broxbourne | 2010 |
| McCole, Steve | BNP | no | Broxbourne | 2010 |
| Walker, Charles | Conservative | yes | Broxbourne | 2005, 2010 |
| Watson, Michael | Labour | no | Broxbourne | 2010 |
| Witherick, Allan | Liberal Democrat | no | Broxbourne | 2010 |
| Harris, Roy | BNP | no | Hertford and Stortford | 2010 |
| Lewin, Andrew | Liberal Democrat | no | Hertford and Stortford | 2010 |
| Prisk, Mark | Conservative | yes | Hertford and Stortford | 2001, 2005, 2010 |
| Sodey, David | UKIP | no | Hertford and Stortford | 2010 |
| Terry, Steve | Labour | no | Hertford and Stortford | 2010 |
| Xenophontos, Loucas | Independent | no | Hertford and Stortford | 2010 |
| Annand, Hugh | Liberal Democrat | no | North East Hertfordshire | 2010 |
| Rosemary Bland | Green | no | North East Hertfordshire | 2010 |
| Heald, Oliver | Conservative | yes | North East Hertfordshire | 2001, 2005, 2010 |
| Kirkman, David | Labour | no | North East Hertfordshire | 2010 |
| Davies, Julia | Liberal Democrat | no | Stevenage | 2010 |
| Johnstone, Robin | BNP | no | Stevenage | 2010 |
| McParland, Stephen | Conservative | no | Stevenage | 2010 |
| Mason, Marion | UKIP | no | Stevenage | 2010 |
| Phillips, Stephen | NCDMV! | no | Stevenage | 2010 |
| Taylor, Sharon | Labour Co-op | no | Stevenage | 2010 |
| Vickers, Charles | English Democrats | no | Stevenage | 2010 |
| Hobday,Mike | Labour | no | Welwyn Hatfield | 2010 |
| Shapps, Grant | Conservative | yes | Welwyn Hatfield | 2005, 2010 |
| Weston, Jill | Green | no | Welwyn Hatfield | 2010 |
| Zukowskyj, Paul | Liberal Democrat | no | Welwyn Hatfield | 2010 |