Alpha Centauri, the nearest star system to us, is composed of a binary star and Proxima Centauri (making it a triple star system). Alpha Centauri A has a mass of 1.1 M$_{odot}$, while Alpha Centauri B has a mass of 0.9 M$_{odot}$.
If you count brown dwarfs, Luhman 16 are a good target, with each being about 0.04 M$_{odot}$.
Eta Carinae contains a Luminous Blue Variable (LBV) with a mass of 120-160 M$_{odot}$ and a smaller (but still very massive) star with a mass of 30-60 M$_{odot}$.
Sirius is okay, though with two stars of much smaller masses, 2 M$_{odot}$ and 1 M$_{odot}$.
Mizar, in reality part of a six-star system (Mizar/Alcor), has four stars separated into two pairs. This ensemble then interacts with the binary star Alcor.
You can find plenty of stars here.
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