Leonila "Inday" de la Serna Dimataga Garcia (July 17, 1906 – May 17, 1994) was a Filipino pharmacist who was the eighth First Lady of the Philippines.

Her father, Bartolome Mangubat Dimataga, was a former mayor of Opon (now Lapu-Lapu City), Cebu), while her mother, Leoncia dela Serna, was a sister of another former mayor.

Leonila's brother, Mariano became the first mayor of Opon following its cityhood and renaming.

[1] Nicknamed "Inday", Leonila was a pharmacist graduate of the University of Santo Tomas.

She met her future husband Carlos while working at a drug store in Tagbilaran, Bohol that he had frequented.