Chihiro Sumida

{{short description|Japanese baseball player}}

{{Infobox NPB player

|name=Chihiro Sumida

|image=2022年8月14日隅田知一郎投手.jpg

|image_size=250px

|caption=

|position=Pitcher

|team=Saitama Seibu Lions

|number=16

|bats=Left

|throws=Left

|birth_date={{Birth date and age|1999|8|20}}

|birth_place=Ōmura, Nagasaki, Japan

|debutleague=NPB

|debutdate=March 26

|debutyear=2022

|debutteam=Saitama Seibu Lions

|statyear=2024 season

|stat1label=Win–loss record

|stat1value=19-30

|stat2label=Earned Run Average

|stat2value=3.19

|stat3label=Strikeouts

|stat3value=355

|stat4label=Saves

|stat4value=0

|stat5label=Holds

|stat5value=0

|teams=

• Saitama Seibu Lions ({{npby|2022}}–present)

| medaltemplates =

{{MedalSport | Men's baseball}}

{{Medal|Country|{{bb|JAP}}}}

{{MedalCompetition | WBSC Premier12}}

{{MedalSilver| 2024 | Team }}

}}

{{nihongo|Chihiro Sumida|隅田 知一郎|Sumida Chihiro|extra=born August 8, 1999}} is a professional Japanese baseball player. He is a pitcher for the Saitama Seibu Lions of Nippon Professional Baseball (NPB).{{cite web|url=https://npb.jp/bis/eng/players/21025155.html|title=Register : Sumida, Chihiro (Saitama Seibu Lions)|access-date=April 1, 2022}}