I might try to come back later and fill in missing channel links.
For a start …
- ADUG https://www.youtube.com/@adug6571/videos
- ADUG Perth https://www.youtube.com/@adugperth7829/videos
- ADUG Canberra (@StephenCorbett) https://www.youtube.com/@ozziSteve/videos
Embarcadero
- Embarcadero Technology https://www.youtube.com/@EmbarcaderoTech/videos
- Embarcadero Germany https://www.youtube.com/@EmbarcaderoGermany/videos
- Embarcadero Academy https://www.embarcaderoacademy.com/
- Code Central vintage CodeCentral
- CodeRages and DelphiCons and SummerSchools
- CodePartners https://www.youtube.com/@CodePartners/videos
[
Dr Kevin Bond has text books for upper highschool programming using Delphi.
Interview : https://www.youtube.com/watch?v=5Go1fcOVKP8…
Books : https://www.educational-computing.com/
Delphi Summer Camp 2021 - Day 1
https://blogs.embarcadero.com/day-1-learn-to-code-summer.../
Dr. Kevin R. Bond’s How to Program Effectively in Delphi
]
Individuals
- Steven Ball https://www.youtube.com/@DelphiABall/videos
- Dr Kevin Bond https://www.youtube.com/@kevinbond8049/videos
- Alister Christie https://www.youtube.com/@codegearguru/videos
- Malcolm Groves https://www.youtube.com/@malcolmgroves/videos
- Jim McKeeth https://www.youtube.com/@JimMcKeeth/videos
- Jason McMillen https://www.youtube.com/@PascalGameDev/videos
- Boian Mitov https://www.youtube.com/@BoianMitov/videos
- Olaf Monien https://www.youtube.com/@OlafMonien/videos
- Isaque Pinheiro https://www.youtube.com/@IsaquePinheirooficialbr/videos
- Patrick Prémartin https://www.youtube.com/@PatrickPremartin/videos (and streaming on twitch.tv)
- Shaun Roselt https://www.youtube.com/@ShaunRoselt/videos
- Talis Jonatas Gomes https://www.youtube.com/@talisjonatas/videos
Others
- 99 Coders (not in english) https://www.youtube.com/@99coders/videos
- Code with Huw (Delphi bits) https://www.youtube.com/@LearnWithHuw/playlists
- Codemaster https://www.youtube.com/watch?v=zqZWBN5mdrU
- Dandelion (Delphi) https://www.youtube.com/@dandel10ndelphi12/videos
- LearnDelphi https://www.youtube.com/@learndelphicode/videos
- Steve’s Teacher https://www.youtube.com/@Stevesteacher
- TMSSoftwareTV https://www.youtube.com/@tmssoftwareTV/videos
- Softwe3 - in Arabic - playliat of 127x 15min videos
https://youtube.com/playlist?list=PLfVdvKscEioNSp4jr5mWAW8Galyky04SH
More …
Delphi for Schools https://www.youtube.com/@delphiforschools6843/videos
Delphi Creative (Portuguese) - https://www.youtube.com/@DelphiCreative/videos
Delphi Mystics - https://www.youtube.com/@delphimystics3553/videos
Delphi Practical School - https://www.youtube.com/@Delphipracticalschool/videos
DelphiWorld - https://www.youtube.com/@delphiworld/videos
GDK Software - https://www.youtube.com/@GDKSoftware/videos
IT DevCon - https://www.youtube.com/@ITDevCon/videos
lazarus revolution - https://www.youtube.com/@lazarusrevolution/videos
Mr Long Education - https://www.youtube.com/@MrLongITandCAT/videos
Programming with Delphi - https://www.youtube.com/@programmingwithdelphi/videos
Sokovito Games - https://www.youtube.com/@delphigame/videos
SQLFirebird - https://www.youtube.com/@SQLFirebird/videos
StahliSoft (German) - https://www.youtube.com/@StahliSoft/videos
VCL examples - https://www.youtube.com/@vclexamples/videos
WinTechItalia (Italian) - https://www.youtube.com/@wintechitaliasrl7076/videos
InternationalPascalCongress https://www.youtube.com/@IPCInternationalPascalCongress/videos
Andreas Wunnenberg https://www.youtube.com/@awunnenb/videos
Delphi Dev & Des https://www.youtube.com/@delphidevdes1479/videos
Castle Game Engine https://www.youtube.com/@CastleGameEngine/videos
tinyBigGAMES https://www.youtube.com/tinyBigGAMES
Individual videos / series
- Derek Banas (2021) [2hrs] Basic console program https://www.youtube.com/watch?v=i6LjnHNLzUU
Sad 
- 3DBuzz (2006) Delphi Training Series: Programming 101 - 10 Good Intro to Delphi Episodes … at 240p resolution
