Luis Di Giacomo (born 29 April 1954) is an Argentine psychiatrist and politician, currently serving as a National Deputy elected in Río Negro.

A member of the regionalist Together We Are Río Negro party, Di Giacomo was elected in 2019 and currently sits in (and presides) the Provincias Unidas inter-bloc.

[1][2] He studied medicine at the University of Buenos Aires, graduating in 1978, and specialized in psychiatry at the Provincial Public Health Council of Río Negro Province.

Di Giacomo worked as a medical professional at the Centro Neurológico LEMNOS in General Roca, Río Negro, and at the Fundación Confluencia Patagónica para la Salud.

[6] In the 2019 legislative election, Di Giacomo ran in the JSRN list to the Chamber of Deputies in Río Negro as the first candidate.

[11] Following the 2021 legislative election, the Unidad Federal inter-bloc was dissolved, and instead a new bloc, called "Provincias Unidas", was formed between members of regional parties not aligned with either the national government or the Juntos por el Cambio opposition.