| Club: | West Ham United |
| Season: | 2021–22 |
| Manager: | Olli Harder |
| Mgrtitle: | Head Coach |
| Stadium: | Victoria Road, Dagenham |
| League: | FA WSL |
| League Result: | 6th |
| Cup1: | FA Cup |
| Cup1 Result: | Semi-final |
| Cup2: | League Cup |
| Cup2 Result: | Quarter-final |
| League Topscorer: | Dagný Brynjarsdóttir (4 goals) |
| Season Topscorer: | Dagný Brynjarsdóttir and Claudia Walker (6 goals) |
| Highest Attendance: | 2,585 (vs. Arsenal, 8 May) |
| Lowest Attendance: | League: 1,106 (vs. Aston Villa, 11 September) All: 615 (vs. Chelsea, 19 January, League Cup) |
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| Prevseason: | 2020–21 |
| Nextseason: | 2022–23 |
The 2021–22 West Ham United F.C. Women season was the club's 31st season in existence and their fourth in the FA Women's Super League, the highest level of the football pyramid. Along with competing in the WSL, the club also contested two domestic cup competitions: the FA Cup and the League Cup.
On 20 May 2021, Jack Sullivan stepped down as managing director after four years in the job.[1]
Following the final game of the season, it was announced Olli Harder had informed the club of his resignation to pursue new opportunities. Assistant manager Paul Konchesky was immediately announced as his successor on a two-year contract.[2]
See main article: 2021–22 FA WSL.
See main article: 2021–22 Women's FA Cup. As a member of the first tier, West Ham entered the FA Cup in the fourth round proper.
See main article: 2021–22 FA Women's League Cup.
Starting appearances are listed first, followed by substitute appearances after the + symbol where applicable.|}
| Date | Position | Nationality | Name | From | Ref. | |
|---|---|---|---|---|---|---|
| 10 May 2021 | MF |  | Tameka Yallop | Brisbane Roar | [4] | |
| 28 June 2021 | MF |  | Zaneta Wyne | Glasgow City | [5] | |
| 1 July 2021 | FW | Claudia Walker | Birmingham City | [6] | ||
| 2 July 2021 | MF | Melisa Filis | London Bees | [7] | ||
| 27 July 2021 | MF | Abbey-Leigh Stringer | Everton | [8] | ||
| 3 August 2021 | DF | Lucy Parker | UCLA Bruins | [9] | ||
| 6 August 2021 | GK |  | Anna Leat | Georgetown Hoyas | [10] | |
| 18 August 2021 | MF |  | Yui Hasegawa |  Milan | [11] | |
| 19 August 2021 | MF | Brooke Cairns | Everton | [12] | ||
| MF | Grace Garrad | Arsenal | ||||
| 6 January 2022 | MF | Emma Snerle | Fortuna Hjørring | [13] | ||
| 11 January 2022 | MF | Halle Houssein[14] | Arsenal | [15] | ||
| 16 January 2022 | GK |  | Emily Moore | UBC Thunderbirds | [16] |
| Date | Position | Nationality | Name | To | Ref. | |
|---|---|---|---|---|---|---|
| 21 May 2021 | GK |  | Courtney Brosnan | Everton | [18] [19] | |
| MF |  | Kenza Dali | Everton | [20] | ||
| MF | | Emily van Egmond | Orlando Pride | [21] | ||
| FW | | Leanne Kiernan | Liverpool | [22] | ||
| DF |  | Cecilie Redisch | Sandviken | [23] | ||
| FW | Martha Thomas | Manchester United | [24] | |||
| DF | Laura Vetterlein | FC Zürich | [25] | |||
| 30 June 2021 | FW | Alisha Lehmann | Aston Villa | [26] | ||
| 2 July 2021 | MF |  | Cho So-Hyun | Tottenham Hotspur | [27] | |
| 16 August 2021 | DF | Maz Pacheco | Aston Villa | [28] | ||
| 3 September 2021 | FW |  | Nor Mustafa | Le Havre | [29] |