4th ARMM Regional Legislative Assembly

{{Infobox legislative term

| name = 4th ARMM Regional Legislative Assembly

| image =

| image_size = 55px

| caption =

| body =

| country = Philippines

| state = Autonomous Region in Muslim Mindanao

| meeting_place =

| term = 2001 – 2005

| before = 3rd Assembly

| after = 5th Assembly

| website =

| chamber1 =

| membership1 = 24

| control1 =

| chamber1_leader1_type = Speaker

| chamber1_leader1 = Ibrahim Ibay
(disputed from May 2003 – August 2003) Ismael Abubakar Jr.
(May–August 2003)
Abraham Burahan
(from August 2003)

| chamber1_leader2_type =

| chamber1_leader2 =

| chamber1_leader3_type =

| chamber1_leader3 =

}}

The Fourth ARMM Regional Legislative Assembly was a meeting of the unicameral regional legislature of the Autonomous Region in Muslim Mindanao.{{cite web |title=4th Assembly |url=http://rla.armm.gov.ph/lone-district-basilan/ |website=ARMM Regional Legislative Assembly |access-date=28 February 2019 |archive-date=1 March 2019 |archive-url=https://web.archive.org/web/20190301074407/http://rla.armm.gov.ph/lone-district-basilan/ |url-status=dead }}

The fourth assembly experienced a leadership crisis involving the position of Assembly Speaker in 2003. Ibrahim Ibay's post as speaker was placed into dispute, when Ismael Abubakar Jr. of Tawi-Tawi with the support of 12 assemblyman held an unannounced session in which they declared the position of assembly speaker vacant with the present assemblymen electing Abubakar as speaker.{{cite news |title=ARMM speakership row settled |url=https://www.philstar.com/nation/2003/05/24/207308/armm-speakership-row-settled |access-date=28 February 2019 |work=The Philippines Star |date=24 May 2003}} Abraham Burahan was elected as speaker in a special session in August 2003 and was supported by 13 assemblymen including Ibay.{{cite news |last1=Unson |first1=John |title=ARMM Assembly elects new Speaker |url=https://www.philstar.com/nation/2003/08/27/218708/armm-assembly-elects-new-speaker |access-date=28 February 2019 |work=The Philippine Star |date=27 August 2003}}