Junior Viza

{{short description|Peruvian footballer (born 1985)}}

{{Use dmy dates|date=March 2025}}

{{Infobox football biography

| name = Junior Viza

| image = Junior Viza.jpg

| upright = 0.7

| full_name = César Junior Viza Seminario

| birth_date = {{birth date and age|1985|04|03|df=y}}

| birth_place = Lima, Peru

| height = 1.72 m

| position = Attacking midfielder

| currentclub = Universidad San Martín

| clubnumber = 27

| youthyears1 =

| youthclubs1 = Academia Cantolao

| years1 = 2003-2007 | clubs1 = Alianza Lima | caps1 = 155 | goals1 = 22

| years2 = 2008-2010 | clubs2 = Beitar Jerusalem | caps2 = 33 | goals2 = 0

| years3 = 2008-2009 | clubs3 = → Hapoel Petah Tikva (loan) | caps3 = 29 | goals3 = 3

| years4 = 2010 | clubs4 = Hapoel Petah Tikva | caps4 = 14 | goals4 = 0

| years5 = 2011-2012 | clubs5 = Alianza Lima | caps5 = 47 | goals5 = 4

| years6 = 2013-2014 | clubs6 = Juan Aurich | caps6 = 53 | goals6 = 4

| years7 = 2015-2017 | clubs7 = Universidad César Vallejo | caps7 = 53 | goals7 = 11

| years8 = 2018 | clubs8 = Cienciano | caps8 = 27 | goals8 = 6

| years9 = 2019 | clubs9 = Unión Huaral | caps9 = 20 | goals9 = 8

| years10 = 2020 | clubs10 = Llacuabamba | caps10 = 12 | goals10 = 0

| years11 = 2021 | clubs11 = Santos | caps11 = 16 | goals11 = 0

| years12 = 2022 | clubs12 = Alianza Universidad | caps12 = 18 | goals12 = 1

| years13 = 2023- | clubs13 = Universidad San Martín | caps13 = 15 | goals13 = 4

| club-update = 10 August 2023

| nationalyears1 = 2006

| nationalteam1 = Peru

| nationalcaps1 = 2

| nationalgoals1 = 0

}}

César Junior Viza Seminario (born 3 April 1985) is a Peruvian professional footballer who plays as an attacking midfielder for Club Deportivo Universidad de San Martín de Porres in the Peruvian Segunda División.