Ryan recorded three clean sheets as Albion won 1-0 against West Ham, Newcastle and Wolves to move up to 11th in the Premier League table.
He has made 43 saves so far this season, the third most in the Premier League and just one fewer than both Lukasz Fabianski and Joe Hart.
The other nominees are Arsenal striker Pierre-Emerick Aubameyang, Chelsea midfielder Ross Barkley, Manchester City midfielder Fernandinho, Manchester United forward Anthony Martial and Bournemouth striker Callum Wilson.
The public’s votes cast for this category will represent ten per cent of the total votes and will be combined with those of a Premier League panel, which includes the likes of Mark Schwarzer, Jamie Carragher and Rio Ferdinand.
Ryan’s peers will also have the chance to cast their votes, with each club captain having a say in who wins.
To vote for Ryan click here.
Voting closes at 11.59pm on Monday and the winner will be announced at 1pm next Friday.
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