Fat Jon

{{Short description|American rapper (born 1975)}}

{{BLP sources|date=September 2014}}

{{Infobox musical artist

| name = Fat Jon

| image =

| alias = Fat Jon the Ample Soul Physician, Maurice Galactica

| birth_name = Jon Erin Marshall{{cite web|url=https://www.ascap.com/repertory#/ace/search/workID/887437039 |title=ALTAIS |website=ASCAP |publisher=American Society of Composers, Authors and Publishers |access-date=May 3, 2023}}

| birth_date = {{birth date and age|1975|09|08|mf=y}}

| birth_place = Cincinnati, Ohio, U.S.

| background = solo_singer

| origin =

| instrument = Sampler, Vocals

| occupation = Producer, Rapper, DJ

| genre = Hip hop
Instrumental hip hop
Lo-fi music

| label = Ample Soul, Mush Records, Dimid, Exceptional Records, Libyus Music, Project Mooncircle

| associated_acts = Five Deez, 3582, J. Rawls, Rebel Clique, Mr. Dibbs, Styrofoam, Beautiful Killing Machine, Nujabes, Talib Kweli, Substantial (rapper)

| website = [https://amplesoul.com/ amplesoul.com]

}}

Jon Erin Marshall (born September 8, 1975), better known by his stage name Fat Jon the Ample Soul Physician, is an American hip hop producer and rapper from Cincinnati, Ohio. He is a member of the American hip-hop group Five Deez. He is also one half of 3582 with J. Rawls, one half of Rebel Clique with vocalist Amleset Solomon, and one half of Beautiful Killing Machine with Sonic Brown of Five Deez.[http://allmusic.com/artist/fat-jon-p510582/biography Fat Jon] at Allmusic Fat Jon is also credited as part of the production team that scored the music for the anime series Samurai Champloo. He currently resides in Frankfurt, Germany.