Tatsushi Masuda

{{short description|Japanese baseball player}}

{{Infobox NPB player

|name=Tatsushi Masuda

|image=Masuda Tatsushi.jpg

|image_size=250px

|caption=Masuda with the Saitama Seibu Lions

|position=Pitcher

|team=

|number=

|bats=Right

|throws=Right

|birth_date={{Birth date and age|1988|4|23}}

|birth_place=Sumoto, Hyōgo, Japan

|debutdate=June 13

|debutyear=2013

|debutteam=Saitama Seibu Lions

| statyear = 2023 season

| statleague = NPB

| stat1label = Win–loss record

| stat1value = 31-38

| stat2label = Earned run average

| stat2value = 3.01

| stat3label = Strikeouts

| stat3value = 477

| stat4label = Saves

| stat4value = 194

| stat5label = Holds

| stat5value = 106

|teams=

| awards =

}}

{{nihongo|Tatsushi Masuda|増田 達至|Masuda Tatsushi|extra=born April 23, 1988 in Hyōgo, Hyōgo, Japan}} is a former Japanese professional baseball pitcher. He previous plays for the Saitama Seibu Lions of Nippon Professional Baseball (NPB).