| Issara Sakgreerin | |
| Birth Name: | Arkhom Chenglai |
| Birth Date: | 11 June 1970 |
| Birth Place: | Tambon Na Tham Tai, Mueang Trang, Trang, Thailand |
| Native Name: | อาคม เฉ่งไล่ |
| Native Name Lang: | th |
Arkhom Chenglai (th|อาคม เฉ่งไล่; born June 11, 1970), known professionally as Issara Sakgreerin (th|อิสระ ศักดิ์กรีรินทร์), is a Thai former professional Muay Thai fighter and amateur boxer. He is a former Lumpinee Stadium Lightweight Champion and won a bronze medal in boxing at the 1992 Summer Olympics at Welterweight.
Arkhom Chenglai was born on June 11, 1970 in Tambon Na Tham Tai, Mueang Trang, Trang, Thailand. He used to play football, one day, he hid from the rain at a Muay Thai gym and saw his brother training which led him to it.
He fought with many famous fighters such as Nokweed Devy and earned purses going as high as 120,000 baht in the fight against Dutch fighter Ramon Dekkers at Lumpinee Stadium on November 11, 1990.
He fought in Muay Thai until no one was worthy of a bout against him. As a result, he switched to amateur boxing and won many awards highly recognized in the country. He then became a member of national team to compete in the 1992 Summer Olympics in Barcelona, Spain where he won a bronze medal.
He graduated from Wichienmatu School and earned a bachelor's degree from Chandrakasem Rajabhat College (currently Chandrakasem Rajabhat University).
After retirement, he opened a restaurant in his native Trang province.
Muay Thai
Boxing
|- style="background:#cfc;"| 1991-07-01 || Win||align=left|
Kiatdisak Nungmuengmaha || || Thailand || Decision || 5 || 3:00
|- style="background:#cfc;"| 1991-05-24 || Win ||align=left| Nokweed Devy || K-LEAGUE KENZAN|| Tokyo, Japan || Decision || 5 || 3:00
|- style="background:#cfc;"| 1991-02-15 || Win ||align=left| Nokweed Devy || Muangchai Kittikasem vs Sot Chitalada|| Ayutthaya Province, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;"| 1990-11-27 || Win||align=left| Ramon Dekkers || Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) || 5 || 3:00 |-! style=background:white colspan=9 |
|- style="background:#cfc;"| 1990-08-18 || Win||align=left| Thantawanoi Tor.Silachai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |-! style=background:white colspan=9 |
|-| colspan=9 | Legend: