Ada Bakker
Ada Bakker is a former Dutch female tennis player who was active during the 1960s and 1970s. During her career Bakker played in three of the four Grand Slam tournaments, namely the Australian Open, Wimbledon and the US Open. Her most successful Grand Slam was Wimbledon where she reached the third round of the singles event in 1968, 1970, and 1971. Her best doubles result was reaching the quarterfinal of the 1968 Australian Open.
She competed in the 1967 Summer Universiade in Tokyo and won the women's doubles Gold medal with Astrid Suurbeek. She also reached the final of the singles event which she lost to Nell Truman.
In 1969 and 1974 Bakker was a member of the Dutch Federation Cup team which reached the semifinals on both occasions. In total she played seven Federation Cup matches, all of them in doubles, of which she won five.
Career finals
Doubles (2 runner-ups)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 28 January 1968 | Auckland, New Zealand | Grass |  Astrid Suurbeek |  Kerry Melville Gail Sherriff | 0–6, 2–6 |
| Runner-up | 2. | 28 April 1969 | Bournemouth, England | Hard | Marijke Jansen | Margaret Court Judy Tegart | 1–6, 4–6 |