Lieja Tunks

{{short description|Canadian-Dutch shot putter}}

{{Infobox sportsperson

| name = Lieja Koeman

| image = Lieja Tunks.jpg

| fullname = Liesbeth Jantina Koeman

| nickname =

| height = 1.83 m

| weight = 100 kg

| birth_date = {{Birth date and age|1976|3|10|df=y}}

| birth_place = Purmerend, Netherlands

| personalbest = shot put – 18.82 (2003)
discus throw – 58.93 (2002)
hammer throw – 42.79 (2001)

| career = 1984-present

| updated = 21 March 2008

}}

Liesbeth ("Lieja") Jantina Koeman, formerly Lieja Tunks, (born 10 March 1976 in Purmerend, North Holland) is a shot putter, who represents Canada after switching from the Netherlands in 2006.

Her personal best throw is 18.82 metres, achieved in June 2003 in Arnhem.