Can be from any kind of media.
For me it’s Margot from The Magicians (which is interesting because in the books she is anything but) and Jesse Faden from Control.
Lara Croft from the first “Tomb Raider” movie, played by Angelina Jolie.
Couldn’t tell you why, but my mind went straight to Wonder Woman.
Hetty Lange
I’m really liking the evolution of Shallan Davar in the Stormlight Archives at the moment.
Samantha Carter from Stargate SG1