Dimitra Giannakouli

Atromitos She joined Greek A Division side Atromitos Athens in the summer of 2018 and stayed for two seasons. They finished 4th in 2018–19 and 3rd in 2019–20.

Avantes Chalkidas She moved to A Division club Avantes Chalkidas in 2021 and she helped them finish at the top of the second group, conceding only 6 goals in 16 matches. They did not manage to win the league though as they came third in the playoffs round. Giannakouli won the PSAP Best Female Goalkeeper award for her performance during the 2021–22 season.

In July 2022, she renewed her contract with Avantes for the following season, but, due to problems with the administration, she and the rest of the team left the club.

Ergotelis Giannakouli joined A Division club Ergotelis in November 2022 and helped them finish at the top of the second group undefeated. In the playoffs round, they came in second place after losing two matches against PAOK and Trikala 2011. In total she made 16 appearances for the team.

Panathinaikos She joined newly promoted A Division club Panathinaikos on 19 July 2023. She kept 11 clean sheets in 17 appearances as they finished third in the league and reached the quarterfinals of the Greek Cup.

AEK On 5 July 2024, Dimitra joined AEK. She kept a clean sheet in AEK's second match against Flora Tallinn for third place in tournament 1 of the first qualifying round. The following season, AEK finished second in the league and reached the semifinals of the cup. Giannakouli had 12 clean sheets in 29 matches in all competitions.

She made her debut for the Greek U19 team at the 2017 UEFA Women's Under-19 Championship qualifying round. She started the first two games against Slovenia and Russia in which she conceded a total of 6 goals.

She was called up by the senior team for the first time in 2019 for the UEFA Women's Euro 2022 qualifying, but she did not make her first appearance until 25 June 2022 during a friendly match against Portugal, in which she kept a clean sheet but was subbed off at halftime for Anthi Papakonstantinou. Giannakouli played her first full game for the national team a few months later in a 5–1 loss against France at the last match of the 2023 FIFA Women's World Cup qualification.

Honours Club Feidon Argous Gamma Ethniki (1): 2015–16 Greek Cup; runner-up: 2017

Ergotelis Greek A Division; runner-up: 2022–23

AEK Greek A Division (1): 2024–25; runner-up: 2025–26 Greek Cup (1): 2025

Individual PSAPP Best Goalkeeper: 2021–22, 2024–25 PSAPP Best XI: 2024–25