Jeong Seong-hoon

{{short description|South Korean baseball player}}

{{other people||Jeong Seong-hun (disambiguation){{!}}Jeong Seong-hun}}

{{Infobox baseball biography

| name = Jeong Seong-hoon
정성훈
鄭成勳

| image =

| image_size =

| team =

| number = 16

| position = First baseman/Third baseman

| birth_date = {{Birth date and age|1980|6|27}}

| birth_place = Gwangju

| death_date =

| death_place =

| bats = Right

| throws = Right

| debutleague = KBO

| debutdate = April 5

| debutyear = 1999

| debutteam = Haitai Tigers

| finaldate = October 16

| finalyear = 2018

| finalteam = Kia Tigers

| statleague=KBO

| stat1label=Batting average

| stat1value=.293

| stat2label=Home runs

| stat2value=174

| stat3label=RBI

| stat3value=997

| stat4label=Hits

| stat4value=2,159

| teams =

• Haitai/Kia Tigers ({{Baseball year|1999}}–{{Baseball year|2002}})
• Hyundai Unicorns ({{Baseball year|2003}}–{{Baseball year|2007}})
• Nexen Heroes ({{Baseball year|2008}})
• LG Twins ({{baseball year|2009}}–{{baseball year|2017}})
• Kia Tigers ({{baseball year|2018}})

| highlights =

| update =

}}

{{family name hatnote|Jeong||lang=Korean}}

Jeong Seong-hoon (born June 27, 1980) is a South Korean former professional baseball player. He represented the South Korea national baseball team at the 2006 World Baseball Classic.

After nine seasons with the LG Twins, Jeong was released by the team at the end of the 2017 season. He played one more season, for his original franchise, the Kia Tigers, in 2018, before retiring.

His 2,159 career hits makes him one of only 11 players to amass more than 2,000 hits in their KBO League careers.