Masato Koga

{{No significant coverage (sports)|find=football|date=December 2022}}

{{short description|Japanese association football player}}

{{Infobox football biography

|name=Masato Koga
古賀 正人

|image=

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|caption=

|fullname=Masato Koga

|birth_date={{Birth date and age|1970|5|22}}

|birth_place=Shizuoka, Shizuoka, Japan

|death_date=

|death_place=

|height={{Height|m=1.70}}

|position=Midfielder

|currentclub=

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|youthyears1=1986–1988|youthclubs1=Shimizu Commercial High School

|youthyears2=1989–1992|youthclubs2=Hosei University

|years1=1993–1996|clubs1=Yokohama Marinos|caps1=27|goals1=1

|years2=1997–2000|clubs2=Sagan Tosu|caps2=105|goals2=11

|years3=2001–2006|clubs3=Sagawa Express Chukyo|caps3=|goals3=

|totalcaps=132|totalgoals=12

|nationalyears1=|nationalteam1=|nationalcaps1=|nationalgoals1=

|manageryears1=|managerclubs1=

|medaltemplates=

{{Medal|Team|Yokohama Marinos}}

{{Medal|W|J1 League|1995}}

}}

{{Nihongo|Masato Koga|古賀 正人|Koga Masato|born May 22, 1970}} is a former Japanese football player. His elder brother Takuma is also a former footballer.