The homer total set a new Vanderbilt single-season record and was the most by any freshmen in the nation, while the RBI total tied for first.
"I am really honored and thankful to get this award," said Alvarez. "I think we had a successful season at Vanderbilt and I look forward to coming back next year and helping the team build on that success."
The Horace Mann product is the first-ever Commodore to receive the national honor.
"Knowing where Pedro came from and to see what he accomplished during the year is a testament to the hard work he put in and he truly deserved the award," said Vanderbilt head coach Tim Corbin. "He came in from the very beginning and was very consistent and played like a junior or senior. I am very happy for him."
Alvarez was not the only Vanderbilt freshman to receive Freshman All-American plaudits, as shortstop/first baseman Ryan Flaherty also was named to the national list. Flaherty led the team with a .339 batting average to go along with 19 doubles, two homers and 49 RBI.
"Ryan flew under the radar for most of the year, but he is one of our cornerstones of the future and it is great to see him get recognized for the season he had," said Corbin.
Alvarez is currently back home in New York and will compete for a spot on the USA National Team later this month, while Flaherty will play for the Hyannis Mets in the Cape Cod League this summer.