Tetsuya Yamamoto

{{short description|Japanese baseball player}}

{{Infobox NPB player

|name=Tetsuya Yamamoto

|image=20130407 Tetsuya Yamamoto, pitcher of the Tokyo Yakult Swallows, at Meiji Jingu Stadium.JPG

|image_size=250

|caption=

|position=Pitcher / Coach

|team=Tokyo Yakult Swallows

|number=92

|bats=Right

|throws=Right

|birth_date={{Birth date and age|1985|9|4}}

|birth_place=Hidaka District, Wakayama, Japan

| debutleague = NPB

| debutdate = August 20

| debutyear = 2011

| debutteam = Tokyo Yakult Swallows

| finalleague = NPB

| finaldate = October 8

| finalyear = 2018

| finalteam = Tokyo Yakult Swallows

| statyear =

| statleague = NPB

| stat1label = Win–loss record

| stat1value = 6-11

| stat2label = ERA

| stat2value = 3.07

| stat3label = Strikeouts

| stat3value = 124

|stat4label=Saves

|stat4value=14

|stat5label=Holds

|stat5value=55

|teams=

As player

• Tokyo Yakult Swallows ({{npby|2010}}–{{npby|2018}})

As coach

• Tokyo Yakult Swallows ({{npby|2021}}–present)

| awards=

• 1× NPB All-Star ({{npby|2013}})

}}

{{nihongo|Tetsuya Yamamoto|山本 哲哉|Yamamoto Tetsuya|extra=born September 4, 1985 in Hidaka, Wakayama, Japan}} is a professional Japanese baseball player. He plays pitcher for the Tokyo Yakult Swallows.