Diego Vallejos

{{short description|Chilean footballer (born 1990)}}

{{Use dmy dates|date=September 2024}}

{{family name hatnote|Vallejos|Hernández|lang=Spanish}}

{{Infobox football biography

| name = Diego Vallejos

| image = Palestino - Universidad de Concepción, 2018-05-06 - Diego Vallejos - 01.jpg

| caption = Vallejos with Palestino in 2018

| fullname = Diego Alfredo Vallejos Hernández

| birth_date = {{birth date and age|1990|3|16|df=y}}

| birth_place = Colbún, Chile

| height = 1.73 m

| position = Winger{{WorldFootball.net|diego-vallejos}}
Second striker

| currentclub = Deportes Linares

| clubnumber = 18

| youthyears1 =

| youthclubs1 = Deportes Linares

| years1 = 2009–2012 | clubs1 = Deportes Linares | caps1 = 117 | goals1 = 78

| years2 = 2013–2017 | clubs2 = Audax Italiano | caps2 = 104 | goals2 = 21

| years3 = 2013–2014 | clubs3 = Audax Italiano B | caps3 = 19 | goals3 = 11

| years4 = 2017–2020 | clubs4 = Universidad Católica | caps4 = 6 | goals4 = 0

| years5 = 2018 | clubs5 = → Palestino (loan) | caps5 = 13 | goals5 = 1

| years6 = 2019 | clubs6 = → Curicó Unido (loan) | caps6 = 7 | goals6 = 0

| years7 = 2020 | clubs7 = → Coquimbo Unido (loan) | caps7 = 19 | goals7 = 1

| years8 = 2021 | clubs8 = Coquimbo Unido | caps8 = 7 | goals8 = 1

| years9 = 2021 | clubs9 = Santiago Wanderers | caps9 = 15 | goals9 = 1

| years10 = 2022 | clubs10= Independiente Cauquenes | caps10= 19 | goals10= 7

| years11 = 2023– | clubs11= Deportes Linares | caps11= 22 | goals11= 3

| club-update = 13 March 2024

}}

Diego Alfredo Vallejos Hernández (born 16 March 1990) is a Chilean footballer who plays for Deportes Linares as a forward.