In articulatory phonetics, trilled affricates, also known as post-trilled consonants, are consonants which begin as a stop and have a trill release. These consonants are reported to exist in some Northern Paman languages in Australia, as well as in some Chapacuran languages such as Wariü and Oro Win, Austronesian languages such as Fijian and Malagasy, and in Namuyi.
In Fijian, trilling is rare in these sounds, and they are frequently distinguished by being postalveolar. In Malagasy, they may have a rhotic release, , be simple stops, , or standard affricates, . Similarly, the trilled retroflex affricates have been reported to occur in Baima, though phonetically they may be closer to sequences of a stop and fricative trill.
Most post-trilled consonants are affricates: the stop and trill share the same place of articulation. However, there is a rare exception in a few neighboring Amazonian languages, where a voiceless bilabially post-trilled dental stop, (occasionally written ) is reported from a few words in the Chapacuran languages Wariü and Oro Win. In the Chapacuran languages, is reported almost exclusively before rounded vowels such as and . Sangtam contrasts with aspirated .
Hydaburg Haida is cognate to Southern Haida , Masset Haida .