Cheng Po-jen

{{short description|Taiwanese baseball player}}

{{Infobox baseball biography

| name = Cheng Po-jen

| image =

| image_size =

| position = Relief pitcher

| team = Uni-President Lions

| number = 81

| birth_date = {{birth-date and age|October 17, 1982}}

| birth_place = Taiwan

| bats = Right

| throws = Right

| debutdate = March 22

| debutyear = 2006

| debutteam = Uni-President Lions

| debutleague = CPBL

| statyear = April 4, 2008

| stat1label = Record

| stat1value = 2-1

| stat2label = Saves

| stat2value = 0

| stat3label = Holds

| stat3value = 5

| stat4label = ERA

| stat4value = 4.869

| stat5label = Strikeouts

| stat5value = 32

| teams =

Uni-President Lions (2006–2009)

}}

{{family name hatnote|Cheng|lang=Chinese}}

Cheng Po-jen ({{zh|c=鄭博壬|p=Zhèng Bórén}}; born 17 October 1982 in Taiwan) is a former Taiwanese baseball player who previously played for Uni-President Lions of Chinese Professional Baseball League (CPBL).