Sean Richardson may refer to:
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Sean Richardson (rugby league)
Sean Richardson (born August 28, 1973) is a former professional rugby league footballer who played in the 1990s and 2000s. He played at club level for Blackbrook (in Blackbrook, St Helens), Pilkington Recs, Haydock ARLFC, the Featherstone Rov ...
(born 1973), rugby league footballer
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Sean Richardson (American football) (born 1990), American football safety
{{Hndis, Richardson, Sean