| sport = [[American football|Football]]
| firstmeeting = September 15, 1951<br />Northeast Louisiana State, 13–7
| mostrecent = November 2530, 20232024<br />Louisiana, 52–2137–23
| nextmeeting = November 30, 20242025
| total = 5960
| series = Louisiana leads, 32–2633–26<ref name="series" />{{#tag:ref|In 2015, Louisiana–Lafayette vacated eight wins from their [[2011 Louisiana–Lafayette Ragin' Cajuns football team|2011 football season]], including their win over Louisiana–Monroe, due to alleged major NCAA violations.<ref>{{cite news|title=Exam fraud, recruit payments among NCAA accusations against UL-Lafayette, ex-assistant coach David Saunders|newspaper=The Baton Rouge Advocate|date=October 11, 2015|access-date=October 20, 2015|url=http://theadvocate.com/sports/ullafayette/13682425-128/ncaa-accuses-louisiana-lafayette-former-football|archive-date=November 18, 2015|archive-url=https://web.archive.org/web/20151118234641/http://theadvocate.com/sports/ullafayette/13682425-128/ncaa-accuses-louisiana-lafayette-former-football|url-status=dead}}</ref> See [[Wikipedia:WikiProject College football/Vacated victories]] for an explanation of how vacated victories are recorded.<ref name="Low, Chris">{{cite web|author=Low, Chris|date=June 16, 2009|title=What does vacating wins really mean?|url=https://www.espn.com/blog/ncfnation/post/_/id/4734/what-does-vacating-wins-really-mean|work=ESPN.com|publisher=ESPN Internet Ventures|access-date=July 9, 2011}}</ref><ref name="Taylor, John">{{cite web|author=Taylor, John|date=July 4, 2009|title=Vacated Wins Do Not Equal Forfeits|url=http://collegefootballtalk.nbcsports.com/2009/07/04/vacated-wins-do-not-equal-forfeits/|work=NBCSports.com|publisher=NBC Sports|access-date=July 9, 2011}}</ref>|group="n"|name="vacation"}}
| largestvictory = Louisiana, 70–20 (2020)
| longeststreak = Louisiana, 5 (1969–1979, 2008–2012)
| currentunbeatenstreak =
| trophy = Wooden Boot (Since 2002)
| trophy series = Louisiana leads, 14–815–8
| stadiums =
}}
==History==
{{Expand section|date=August 2024}}
This intrastate rivalry has been played 5960 times. The Louisiana Ragin' Cajuns currently hold a 32–2633–26 edge in the series. The Battle on the Bayou is a rivalry not just in football, but in all sports when the Cajuns and Warhawks meet.<ref>{{cite web |url=http://www.ragincajuns.com/news/2011/11/5/FB_1105114418.aspx |title=The Official Athletics Site of the Ragin' Cajuns - Gautier Leads Comeback to Secure Perfect Mark at Cajun Field |publisher=Ragincajuns.com |date=November 5, 2011 |access-date=October 18, 2015 |archive-url=https://web.archive.org/web/20150924090540/http://www.ragincajuns.com/news/2011/11/5/FB_1105114418.aspx |archive-date=September 24, 2015 |url-status=dead }}</ref><ref>{{cite web|url=http://www.ulmwarhawks.com/ViewArticle.dbml?SPID=10968&DB_OEM_ID=19000&ATCLID=205328578 |title=ULM Drops Thriller at UL-Lafayette - ULM Warhawks Athletics |publisher=Ulmwarhawks.com |access-date=October 18, 2015}}</ref><ref>{{cite web |url=http://www.neworleansbowl.org/news/bowl/index.html?article_id=8119 |title=Bowl Releases |publisher=New Orleans Bowl |date=December 18, 2010 |access-date=October 18, 2015 |archive-url=https://web.archive.org/web/20151118174329/http://www.neworleansbowl.org/news/bowl/index.html?article_id=8119 |archive-date=November 18, 2015 |url-status=dead }}</ref>
{| class="wikitable" style="float:right; clear:right; margin-left:1em; font-size:88%;"
| November 21, 2009 | Lafayette, LA | Louisiana–Lafayette | 21 | Louisiana–Monroe | 17
| November 27, 2010 | Monroe, LA | Louisiana–Lafayette | 23 | Louisiana–Monroe | 22
| November 5, 2011 | Lafayette, LA | Louisiana–Lafayette | 36 | Louisiana–Monroe | 35 | win47=none
| November 3, 2012 | Monroe, LA | Louisiana–Lafayette | 40 | Louisiana–Monroe | 24
| November 30, 2013 | Lafayette, LA | Louisiana–Lafayette | 28 | Louisiana–Monroe | 31
| November 24, 2018 | Monroe, LA | Louisiana | 31 | Louisiana–Monroe | 28
| November 30, 2019 | Lafayette, LA | Louisiana | 31 | Louisiana–Monroe | 30
| November 28, 2020 | Monroe, LA | #23 Louisiana | 70 | Louisiana–Monroe | 20
| November 27, 2021 | Lafayette, LA | #23 Louisiana | 21 | Louisiana–Monroe | 16
| September 24, 2022 | Monroe, LA | Louisiana | 17 | Louisiana–Monroe | 21
| November 25, 2023 | Lafayette, LA | Louisiana | 52 | Louisiana–Monroe | 21
| November 30, 2024 | Monroe, LA | Louisiana | 37 | Louisiana–Monroe | 23
| footnote = <ref name="series">{{Cite web|url=http://www.winsipedia.com/louisiana-lafayette/vs/louisiana-monroe|title=Winsipedia - Louisiana-Lafayette Ragin' Cajuns vs. Louisiana-Monroe Warhawks football series history|website=Winsipedia}}</ref>
}}
|