The Tiberiu Popoviciu High School of Computer Science in Cluj-Napoca is named after him.

On June 4, 1937 Popoviciu was elected a corresponding member of the Romanian Academy of Sciences.

He became full member of the mathematical sciences section of the Academy on March 20, 1963.

He married his former student, Elena Moldovan Popoviciu, in 1964; she also became a notable functional analyst.

[4] He died in 1975 in Cluj-Napoca, and is buried in the city's Hajongard Cemetery.