This list isn't as diverse as The Complete Guide to Sailor Moon Dolls – primarily because the majority of Doremi releases are similar dolls with slightly different accessories. They are all made by Bandai.

The first season doll lines were made in 1999 and include only three witches.
Ojamajo Doremi Sharp introduced new characters, Pop and Hana.
Sharp Friends Royal Patraine Set (Doremi, Hazuki, Aiko, Onpu with their fairies);
A new witch, Asuka Momoko, appears in Motto! Ojamajo Doremi.
The next season, Dokka~ n!, features an older version of Hana. The number of dolls declined.
Another manufacturer, Romando, made two Doremi doll lines:
The accessories were Sharp Friends playsets (2000) and various outfits and prams for Hana dolls (2000-2001).
Bandai Europe started releasing Doremi dolls in 2005. Only one doll, Hanna, was a copy of Babu Babu Hana-chan, the rest were either original dolls, like Magica Doremi Parlante, or dolls using Japanese bodies but packed with different accessories and outfits.
Witchling dolls were produced for the USA, Magica Doremi dolls were released in Italy in co-operation with GiG, Dorémi Magique (2007) were made for other European countries.
Ojamajo Doremi: Magica Doremi Parlante (Doremi);
Dorémi Magique et ses Amies (or Magical Doremi) - 12cm with extra casual outfit (Doremi);
Ojamajo Doremi Sharp: Magica Doremi e i Suoi Amici - 12cm with extra party outfits (Doremi, Hazuki, Aiko, Onpu, Pop);
Magica Doremi Parlante (Doremi);
Hanna;
Magica Doremi Deluxe – similar to Japanese Royal Patraine Set, with Royal Patraine outfits and fairies, but each doll sold individually (Doremi, Hazuki, Aiko, Onpu);
Dorémi Magique et ses Amies 12 cm (or Magical Doremi and Friends) - with various extra outfits (Doremi, Hazuki, Aiko, Onpu);
Poupee Parlante Dorémi Magique - Royal Patraine version (Doremi).
Motto! Ojamajo Doremi: Magica Doremi e le Sue Amiche 12cm - with extra casual outfits (Doremi, Hazuki, Aiko, Onpu, Momoko);
Magica Doremi Parlante (Doremi);
Magica Doremi "Super Streghetta" - 25cm dolls with extra Patissier outfits (Doremi, Hazuki, Aiko, Onpu, Momoko);
Magical Doremi Patissier Collection – similar to Japanese Sweet Friends Patissier, but including fairies from Royal Patraine Set ( Doremi, Hazuki, Aiko, Onpu, Momoko).
Bandai Doremi playsets were rereleased in Europe as Univers Dorémi Magique series.
Bandai Asia released several big Doremi playsets which included 12cm dolls.