St. John’s coach Steve Lavin will most probably not coach this season and he’s been instructed by university president Father Donald J. Harrington not to return to the bench unless completely healthy.

“That is where our concentration lies as the University community. Our fans and supporters all look forward to his return when he and his doctors deem he is 100 percent ready to resume his full-time coaching duties,’’ Harrington said in a statement.

Lavin underwent successful prostate cancer surgery on Oct. 6. He is cancer-free, but the surgery has left him fatigued and unable to recover sufficiently to handle the rigors of the bench.

Lavin has not coached since the 2K Sports Classic in the Garden on Nov. 17 and 18.