Orang tua: Yohanes Lembong (Ong Joe Gie) dan Yetty Lembong
Pasangan: Maria Franciska Wihardja (m. 2002)
Anak: Thalia Lembong, Maxwell Lembong
Berat badan: –
Tinggi badan: –
Media sosial: @tomlembong (Instagram, X), Tom Lembong (Facebook, LinkedIn)
Pendidikan:
[1994] Harvard University – S1, Architecture and Urban Design (A.B.)
