Parus is a genus of Old World birds in the tit family. As defined here, it contains the following species:
- Genus Parus
- White-shouldered Black Tit Parus guineensis, sometimes separated in Melaniparus
- White-winged Black Tit Parus leucomelas, sometimes separated in Melaniparus
- Southern Black Tit Parus niger, sometimes separated in Melaniparus
- Carp's Tit Parus carpi, sometimes separated in Melaniparus
- White-bellied Tit Parus albiventris, sometimes separated in Melaniparus
- White-backed Black Tit Parus leuconotus, sometimes separated in Melaniparus
- Dusky Tit Parus funereus, sometimes separated in Melaniparus
- Rufous-bellied Tit Parus rufiventris, sometimes separated in Melaniparus
- Red-throated Tit Parus fringillinus, sometimes separated in Melaniparus
- Stripe-breasted Tit Parus fasciiventer, sometimes separated in Melaniparus
- Acacia Tit Parus thruppi, sometimes separated in Melaniparus
- Miombo Tit Parus griseiventris, sometimes separated in Melaniparus
- Ashy Tit Parus cinerascens, sometimes separated in Melaniparus
- Grey Tit Parus afer, sometimes separated in Melaniparus
- Great Tit Parus major
- Turkestan Tit Parus major bokharensis (formerly treated as separate species)
- Japanese Tit Parus minor (often included in P. major)
- Cinereous Tit Parus cinereus
- Green-backed Tit Parus monticolus
- White-naped Tit Parus nuchalis
- Himalayan Black-lored Tit Parus xanthogenys, sometimes separated in Macholophus
- Indian Black-lored Tit Parus aplonotus, sometimes separated in Macholophus
- Yellow-cheeked Tit Parus spilonotus
- Yellow Tit Parus holsti, sometimes separated in Macholophus
- White-fronted Tit Parus semilarvatus, sometimes separated in Sittiparus
- Varied Tit, Parus varius, sometimes separated in Sittiparus or Poecile
This genus and related genera are controversial. The species, from White-shouldered Tit to Grey Tit, are sometimes separated as the genus Melaniparus, and the Yellow Tit and the Black-lored Tit are sometimes separated as Macholophus. On the other hand, many authorities expand this genus to include Cyanistes, Lophophanes, Periparus, and Poecile.