| Date | Total | Name | Place of Death - Province | Cause of Death |
| 31-Mar-2003 | 3 | | US: 2 | UK: 1 | Other: 0 | | |
| | US | Specialist Brandon Jacob Rowe | Ayyub | Hostile - hostile fire |
| | US | Specialist William Andrew Jeffries | Rota | Non-hostile - illness - acute pancreatitis |
| | UK | Staff Sergeant Chris Muir | Southern Iraq - Basrah | Non-hostile - ordnance accident |
| 30-Mar-2003 | 6 | | US: 3 | UK: 3 | Other: 0 | | |
| | US | Captain Aaron Joseph Contreras | Jalibah Air Base (Near) - Basrah | Hostile - helicopter crash |
| | US | Sergeant Brian Daniel McGinnis | Jalibah Air Base (Near) - Basrah | Hostile - helicopter crash |
| | US | Sergeant Michael Vernon Lalush | Jalibah Air Base (Near) - Basrah | Hostile - helicopter crash |
| | UK | Royal Navy Marine Christopher R. Maddison | Basra - Basrah | Hostile - hostile fire |
| | UK | Lance Corporal Shaun Andrew Brierley | Not reported | Non-hostile - vehicle accident |
| | UK | Major Steve Alexis Ballard | Not reported | Non-hostile - natural causes |
| 29-Mar-2003 | 6 | | US: 6 | UK: 0 | Other: 0 | | |
| | US | Lance Corporal William Wayne White | South-central Iraq | Non-hostile - vehicle accident |
| | US | Sergeant Eugene Williams | Najaf | Hostile - hostile fire - suicide bomber |
| | US | Private 1st Class Diego Fernando Rincon | Najaf | Hostile - hostile fire - suicide bomber |
| | US | Corporal Michael Edward Curtin | Najaf | Hostile - hostile fire - suicide bomber |
| | US | Private 1st Class Michael Russell Creighton-Weldon | Najaf | Hostile - hostile fire - suicide bomber |
| | US | Staff Sergeant James Wilford Cawley | Not reported | Hostile - vehicle accident |
| 28-Mar-2003 | 3 | | US: 2 | UK: 1 | Other: 0 | | |
| | US | Sergeant Roderic Antoine Solomon | Central part | Non-hostile - vehicle accident |
| | US | Sergeant Fernando Padilla-Ramirez | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | UK | Lance Corporal of Horse Matty Hull | Southern Iraq - Basrah | Hostile - friendly fire |
| 27-Mar-2003 | 6 | | US: 6 | UK: 0 | Other: 0 | | |
| | US | Lance Corporal Jesus Alberto Suarez del Solar | Baghdad | Hostile - friendly fire - cluster bomblet |
| | US | Gunnery Sergeant Joseph Menusa | Not reported | Hostile - hostile fire |
| | US | Corporal Robert Marcus Rodriguez | An Nasiriyah - Dhi Qar | Hostile - vehicle accident |
| | US | Private 1st Class Francisco Abraham Martinez-Flores | An Nasiriyah - Dhi Qar | Hostile - vehicle accident |
| | US | Lance Corporal Patrick Terence O'Day | An Nasiriyah - Dhi Qar | Hostile - vehicle accident |
| | US | Staff Sergeant Donald Charles May Jr. | An Nasiriyah - Dhi Qar | Hostile - vehicle accident |
| 26-Mar-2003 | 1 | | US: 1 | UK: 0 | Other: 0 | | |
| | US | Major Kevin Gerard Nave | Southern Iraq | Hostile - vehicle accident |
| 25-Mar-2003 | 4 | | US: 2 | UK: 2 | Other: 0 | | |
| | US | Hospital Corpsman 3rd Cl. Michael Vann Johnson Jr. | Not reported | Hostile - hostile fire |
| | US | Major Gregory Lewis Stone | Camp Pennsylvania | Non-hostile - homicide |
| | UK | Trooper David Jeffrey Clarke | Basra - Basrah | Hostile - friendly fire |
| | UK | Corporal Stephen John Allbutt | Basra - Basrah | Hostile - friendly fire |
| 24-Mar-2003 | 6 | | US: 4 | UK: 2 | Other: 0 | | |
| | US | Lance Corporal Thomas Alan Blair | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Specialist Gregory Paul Sanders | 60 miles S. of Baghdad - Babil | Hostile - hostile fire - sniper fire |
| | US | Sergeant Bradley Steven Korthaus | Saddam Canal - Dhi Qar | Hostile - drowning |
| | US | Corporal Evan Tyler James | Saddam Canal - Dhi Qar | Hostile - drowning |
| | UK | Lance Corporal Barry Stephen | Al Zubayr - Basrah | Hostile - hostile fire |
| | UK | Sergeant Steven Mark Roberts | Al Zubayr - Basrah | Hostile - friendly fire |
| 23-Mar-2003 | 34 | | US: 30 | UK: 4 | Other: 0 | | |
| | UK | Staff Sergeant Simon Cullingworth | Al Zubayr - Basrah | Hostile - hostile fire |
| | UK | Sapper Luke Allsopp | Al Zubayr - Basrah | Hostile - hostile fire |
| | US | Corporal Kemaphoom "Ahn" Chanawongse | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Private Jonathan Lee Gifford | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Private Nolen Ryan Hutchings | An Nasiriyah - Dhi Qar | Hostile - friendly fire |
| | US | Lance Corporal Donald John Cline Jr. | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Private 1st Class Tamario Demetrice Burkett | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Sergeant Brendon Curtis Reiss | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Lance Corporal Patrick Ray Nixon | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Lance Corporal Michael Jason Williams | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Corporal Randal Kent Rosacker | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Lance Corporal Brian Rory Buesing | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Lance Corporal Thomas Jonathan Slocum | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Staff Sergeant Phillip Andrew Jordan | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Corporal Jorge Alonso Gonzalez | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Corporal Jose Angel Garibay | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Lance Corporal David Keith Fribley | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Sergeant Michael Edward Bitz | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Specialist Edward John Anguiano | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Sergeant Donald Ralph Walters | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Private Brandon Ulysses Sloan | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Private 1st Class Lori Ann Piestewa | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Chief Warrant Officer Johnny Villareal Mata | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Specialist James Michael Kiehl | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Private 1st Class Howard Johnson II | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Private Ruben Estrella-Soto | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Master Sergeant Robert John Dowdy | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Sergeant George Edward Buggs | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | 2nd Lieutenant Frederick Eben Pokorney Jr. | An Nasiriyah - Dhi Qar | Hostile - hostile fire |
| | US | Specialist Jamaal Rashard Addison | An Nasiriyah - Dhi Qar | Hostile - hostile fire - ambush |
| | US | Captain Christopher Scott Seifert | Camp Pennsylvania | Non-hostile - homicide |
| | US | Sergeant Nicolas Michael Hodson | Southern Iraq | Hostile - vehicle accident |
| | UK | Flight Lieut., Navigator David Rhys Williams | Southern Iraq - Basrah | Hostile - friendly fire - jet crash |
| | UK | Flight Lieutenant., Pilot Kevin Barry Main | Southern Iraq - Basrah | Hostile - friendly fire - jet crash |
| 22-Mar-2003 | 9 | | US: 3 | UK: 6 | Other: 0 | | |
| | US | Lieutenant Thomas Mullen Adams | Persian Gulf | Hostile - helicopter crash |
| | US | Specialist Brandon Scott Tobler | Southern Iraq | Non-hostile - vehicle accident |
| | US | Lance Corporal Eric James Orlowski | Camp Viper - Dhi Qar | Non-hostile - weapon discharge (accid.) |
| | UK | Lieutenant Andrew S. Wilson | Persian Gulf | Hostile - helicopter crash |
| | UK | Lieutenant James Williams | Persian Gulf | Hostile - helicopter crash |
| | UK | Lieutenant Philip West | Persian Gulf | Hostile - helicopter crash |
| | UK | Lieutenant Marc A. Lawrence | Persian Gulf | Hostile - helicopter crash |
| | UK | Lieutenant Anthony King | Persian Gulf | Hostile - helicopter crash |
| | UK | Lieutenant Philip D. Green | Persian Gulf | Hostile - helicopter crash |
| 21-Mar-2003 | 14 | | US: 6 | UK: 8 | Other: 0 | | |
| | US | Lance Corporal Jose Antonio Gutierrez | Umm Qasr - Basrah | Hostile - friendly fire |
| | UK | Major Jason Ward | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Warrant Off. 2nd Class Mark Stratford | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Oper. Mech. 2nd Class Ian Seymour | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Sergeant Les Hehir | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Royal Navy Marine Sholto Hedenskog | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Captain Philip Stuart Guy | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Lance Bombardier Llywelyn Karl Evans | Umm Qasr (near) | Hostile - helicopter crash |
| | UK | Colour Sergeant John Cecil | Umm Qasr (near) | Hostile - helicopter crash |
| | US | Staff Sergeant Kendall Damon Waters-Bey | Umm Qasr (near) | Hostile - helicopter crash |
| | US | Corporal Brian Matthew Kennedy | Umm Qasr (near) | Hostile - helicopter crash |
| | US | Captain Ryan Anthony Beaupre | Umm Qasr (near) | Hostile - helicopter crash |
| | US | Major Jay Thomas Aubin | Umm Qasr (near) | Hostile - helicopter crash |
| | US | 2nd Lieutenant Therrel Shane Childers | Southern Iraq | Hostile - hostile fire |
| Total | 92 | | US: 65 | UK: 27 | Other: 0 | | |
