| Şeyma Ercan | |
| Birth Date: | 5 July 1994 |
| Birth Place: | Ankara, Turkey |
| Weight: | 69kg (152lb) |
| Spike: | 296cm (117inches) |
| Block: | 290cm (110inches) |
| Position: | Wing spiker |
| Currentclub: |  Türk Hava Yolları SK |
| Currentnumber: | 5 |
| Years1: | 2009-2011 |
| Club1: | Gazi University |
| Years2: | 2011-2012 |
| Club2: | Beşiktaş |
| Years3: | 2012-2013 |
| Club3: | Bursa B.B. |
| Years4: | 2013-2015 |
| Club4: | Eczacıbaşı VitrA |
| Years5: | 2015-2017 |
| Club5: | Fenerbahçe Grundig |
| Years6: | 2017-2018 |
| Club6: | Beşiktaş |
| Years7: | 2018-Present |
| Club7: | Turk Hava Yollari Spor Kulubu |
| Nationalyears1: | 2011 |
| Nationalyears2: | 2012-2013 |
| Nationalyears3: | 2014-2021 |
Şeyma Ercan (born 5 July 1994 in Ankara, Turkey) is a Turkish volleyball player who plays for Türk Hava Yolları SK. She is 186cm (73inches) tall at 69kg (152lb) and plays in the wing spiker position. Şeyma began playing volleyball in 2005 at Gazi University's Sport Club in her hometown. She was encouraged by coach Elif Öz. She is a member of the Turkey women's youth national volleyball team, and wears number 5.[1] In 2009, at the age of only 15, she became a member of the A-team, which played in the Turkish Women's Volleyball Second League. She transferred to Beşiktaş Women's Volleyball Team in Istanbul in the 2011-2012 season.[1] In September 2012, she signed a three-year contract with Eczacıbaşı VitrA, which then loaned her out for one year to Bursa Büyükşehir Belediyespor. She spent next two years at Eczacıbaşı VitrA.In 2015, she transferred to Fenerbahçe Grundig Women's Volleyball Team.[2] Şeyma Ercan debuted in the girls' youth national team in 2011 playing at the 2011 CEV Girls Youth Volleyball European Championship, where her team won the gold medal and she was honored with the Best Server title.[3] She won the 2012 Women's Junior European Volleyball Championship with the national team.
Gazi University (2009-2011) Beşiktaş (2011-2012) Bursa Büyükşehir Belediyespor (2012-2013) Eczacıbaşı VitrA (2013-2015) Fenerbahçe Grundig (2015-2017) Beşiktaş (2017-)