| # | Name | Team | Time | Date | Meet |
|---|---|---|---|---|---|
| 1 | Katinka Hosszu |
HUN | 2:08.15 | 08/17 | 2019 FINA World Cup
Singapore, SGP |
| 2 | Yui Ohashi |
JPN | 2:08.43 | 11/21 | 2019 Tokyo Opem
Tokyo, JPN |
| 3 | Kathleen Baker |
USA | 2:08.75 | 02/07 | FFN Golden Tour
Nice, FRA |
| 4 | Melanie Margalis |
USA | 2:08.84 | 12/05 | 2019 Toyota US Open
Atlanta, GA |
| 5 | Alex Walsh |
USA | 2:09.01 | 12/05 | 2019 Toyota US Open
Atlanta, GA |
| 6 | Madisyn Cox |
USA | 2:09.03 | 03/07 | 2020 Pro Swim Series
Des Moines, IA |
| 7 | Sydney Pickrem |
CAN | 2:09.26 | 01/19 | 2020 FINA Champions Series
Beijing, CHN |
| 8 | Rika Omoto |
JPN | 2:10.06 | 01/19 | 2020 FINA Champions Series
Beijing, CHN |
| 9 | Kaylee McKeown |
AUS | 2:10.08 | 03/15 | 2020 NSW State Open Championships
Sydney, AUS |
| 10 | Miho Teramura |
JPN | 2:10.23 | 08/04 | 2019 FINA World Cup
Tokyo, JPN |
| 11 | Kelsey Wog |
CAN | 2:10.87 | 02/22 | 2020 U Sports Championships
Victoria, CAN |
| 12 | Ye Shiwen |
CHN | 2:11.02 | 01/19 | 2020 FINA Champions Series
Beijing, CHN |
| 13 | Runa Imai |
JPN | 2:11.37 | 09/07 | 2019 JPN Student Champs
Tokyo, JPN |
| 14 | Seoyeong Kim |
KOR | 2:11.44 | 11/09 | 2019 FINA World Cup
Doha, QAT |
| 15 | Torri Huske |
USA | 2:11.70 | 12/05 | 2019 Toyota US Open
Atlanta, GA |
| 16 | Abbie Wood |
GBR | 2:11.77 | 02/14 | 2020 BUCS Championships
Sheffield, GBR |
| 17 | Meghan Small |
USA | 2:11.88 | 01/19 | 2020 Pro Swim Series
Knoxville, TN |
| 18 | Maria Ugolkova |
RUS | 2:11.97 | 12/15 | Swim Cup Amsterdam
Amsterdam, NED |
| 18 | Emma Barksdale |
USA | 2:11.97 | 12/05 | 2019 Toyota US Open
Atlanta, GA |
| 20 | Fantine Lesaffre |
FRA | 2:12.07 | 10/19 | 2019 7th CISM Military World Games
Wuhan, CHN |
| 21 | Kate Douglass |
USA | 2:12.11 | 12/05 | 2019 Toyota US Open
Atlanta, GA |
| 22 | Yiting Yu |
CHN | 2:12.69 | 09/04 | 2019 Chinese Nationals
Anshan City, CHN |
| 23 | Aimee Willmott |
GBR | 2:12.77 | 02/20 | 2020 McCullagh International Meet
Bangor, IRL |
| 24 | Siobhan-Marie O'Connor |
GBR | 2:12.83 | 02/20 | 2020 McCullagh International Meet
Bangor, IRL |
| 25 | Rebecca Meder |
RSA | 2:12.84 | 02/22 | South Africa Grand Prix
Durban, RSA |
