Antônio Nascimento

{{short description|Brazilian cyclist}}

{{Infobox cyclist

| name = Antônio Nascimento

| image =

| image_size =

| caption =

| fullname = Antônio Roberto Xavier Nascimento

| nickname =

| birth_date = {{birth date and age|1977|8|19}}

| birth_place = Brazil

| height =

| weight =

| currentteam =

| discipline = Road

| role = Rider

| ridertype =

| amateuryears1 = 2009

| amateurteam1 = GRCE Memorial

| amateuryears2 = 2010

| amateurteam2 = {{UCI team code|DataRo|2010}}

| amateuryears3 = 2014

| amateurteam3 = Brasilinvest–Suzano

| amateuryears4 = 2014–2016

| amateurteam4 = Osasco–Penks

| amateuryears5 = 2017

| amateurteam5 = Team SBC Audax–Sao Bernardo

| amateuryears6 = 2021

| amateurteam6 = Avulso

| proyears1 = 2007

| proteam1 = Memorial-Fupes-Santos

| proyears2 = 2011–2013

| proteam2 = {{UCI team code|SOU|2011}}

| majorwins =

| medaltemplates =

| show-medals =

}}

Antônio Roberto Xavier Nascimento (born August 19, 1977) is a Brazilian cyclist.{{cite web | url=http://www.procyclingstats.com/rider.php?id=137551 | title=Antonio Xavier Nascimento | publisher=ProCyclingStats | accessdate=13 August 2015}}