The review aggregator Rotten Tomatoes gives the film an approval rating of 66% based on 134 reviews, with an average rating of 5.99/10. The site's consensus reads, "Hugh Dancy's elegant performance as a man with Asperger's Syndrome elevates Adam, an offbeat but touching romantic comedy." On Metacritic, the film has a score of 56 out of 100 based on reviews from 27 critics, indicating "mixed or average reviews".
