Jacques Nguyễn Văn Mầu

{{family name hatnote|Nguyễn|Mầu|Nguyen|lang=Vietnamese}}

{{expand Vietnamese|topic=bio|date=May 2024}}

{{Infobox Christian leader

| type = Bishop

| honorific-prefix = His Excellency

| name = Jacques Nguyễn Văn Mầu

| native_name = Giacôbê Nguyễn Văn Mầu

| native_name_lang = vi

| title = Bishop of Vĩnh Long

| image = GM Nguyễn Văn Mầu.jpg

| alt =

| caption =

| church = Catholic

| province = Hồ Chí Minh City

| archdiocese =

| diocese =

| see = Vĩnh Long

| appointed = 12 July 1968

| term_start = 19 September 1968

| term_end = 3 July 2001

| predecessor = Antoine Nguyễn Văn Thiện

| successor = Thomas Nguyễn Văn Tân

| ordination = 21 September 1940

| consecration = 12 September 1968

|consecrated_by = Angelo Palmas

| birth_date = {{birth date |1914|1|22|df=yes}}

| birth_place = Bà Rịa, French Indochina

| death_date = {{death date and age|2013|1|31|1914|1|22|df=yes}}

| death_place = Vĩnh Long, Việt Nam

| motto = Amor et Labor
(Love and Labor)

| previous_post =

| coat_of_arms = Coat of arms of Jacques Nguyễn Văn Mầu.svg

}}

Jacques Nguyễn Văn Mầu (22 January 1914 – 31 January 2013) was a Vietnamese bishop of the Roman Catholic Church.