Gennadi Kostylev

{{BLP sources|date=August 2020}}

{{Infobox football biography

| name= Gennadi Kostylev

| fullname = Gennadi Ivanovich Kostylev

| image =

| birth_date = {{birth date and age|1940|9|27|df=yes}}

| birth_place = Kostyantynivka, Stalino Oblast, Ukrainian SSR

| height =

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| position = Midfielder

| youthyears1 = | youthclubs1 = FShM Moscow

| years1 = 1958 | clubs1 = FC Trud Lytkarino | caps1 = | goals1 =

| years2 = 1958–1959 | clubs2 = FC Energiya Volzhsky | caps2 = 23 | goals2 = 1

| years3 = 1960–1963 | clubs3 = FC Zenit Izhevsk | caps3 = | goals3 =

| years4 = 1964–1966 | clubs4 = FC Volga Gorky | caps4 = 105 | goals4 = 7

| years5 = 1967–1970 | clubs5 = FC Zenit Izhevsk | caps5 = | goals5 =

| manageryears1 = 1974–1975 | managerclubs1 = FC Zenit Izhevsk

| manageryears2 = 1978 | managerclubs2 = FC Zvezda Perm (assistant)

| manageryears3 = 1980–1982 | managerclubs3 = FC Stroitel Cherepovets

| manageryears4 = 1983 | managerclubs4 = FC Rubin Kazan

| manageryears5 = 1984–1991 | managerclubs5 = USSR youth national teams

| manageryears6 = 1992 | managerclubs6 = PFC CSKA Moscow (assistant)

| manageryears7 = 1992–1993 | managerclubs7 = PFC CSKA Moscow

| manageryears8 = 1996 | managerclubs8 = FC Arsenal Tula

| manageryears9 = 1997–1998 | managerclubs9 = PFC CSKA Moscow (assistant)

| manageryears10 = 1998 | managerclubs10 = FC Irtysh Omsk

| manageryears11 = 1999 | managerclubs11 = FC Torpedo-ZIL Moscow (assistant)

| manageryears12 = 2000–2001 | managerclubs12 = FC Rotor Volgograd (assistant)

| manageryears13 = 2001 | managerclubs13 = FC Krasnoznamensk

| manageryears14 = 2003 | managerclubs14 = FC Titan Moscow

| manageryears15 = 2004 | managerclubs15 = FC Saturn Ramenskoye (assistant)

| manageryears16 = 2005–2006 | managerclubs16 = FC Saturn Yegoryevsk

| manageryears17 = 2009–2010 | managerclubs17 = FC Moscow (reserves)

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}}

Gennadi Ivanovich Kostylev ({{langx|ru|Геннадий Иванович Костылев}}; born 27 September 1940) is a Russian professional football coach and a former player.