Caroline Baldwin is shot during a shootout. She wakes up next issue though.

Black Scorpion gets hurt on a mission and quickly changes out of her costume. She passes out and wakes up inside a hospital

Kitty Pryde approaches some woman who is unconscious on a bed (so she's sleeping?)

Miki, after witnessing a fight between Abdul and his uncle, get chloroformed by one of said uncle's henchmen. Later she is awake and about to be sold in a women auction, until Abdul come to her rescue. Source: anymanga.com

Dejah Thoris lies unconscious. Also a pin-up for good measure.

No actual KO, but Huntress comes close to defeat in her fight with Robin. She was unconscious earlier in this issue - someone else has already posted that.

I've always loved the Uncanny X-Men 185 Cover. Just that outfit and the mohawk wasn't for me. I asked one of my favorite deviantart artists mhunt to do a reinterpretation of the cover. I'm very happy with how it turned out. He did a great job on the unconscious and limp Storm, as well as the "evil" rogue. Here's th...

A superheroine named "Lightning" is shown unconscious on the cover and in one panel.

From Super Mystery Comics vol.4 #1. The Clown is on the move again in this Magno tale.. This time searching for a formula hidden in a pair of women's shoes. Poor Gloria is the unfortunate that happens to find them, but won't let 'em go that easily. Witness two K.O.'s in this one...as the Clown goes on one of usual ram...

From another Top Notch Laugh ( #41 ); in this story Suzie is a substitute teacher. Unfortunately for her, the students get the best of her. This includes a K.O. via a version of the "bucket" gag, a mummification & tickling scene and blinfolded ( which leads to a whole other DID scenario. ) Complete sequence ;) Contri...

Also from U.S. Jones #1 comes this l'il Peg Miller tale. Watch out, 'cause she packs a mean punch. She also packs an even meaner suitcase, as she K.O.'s the femme crook with it...! She then gets help getting her into a cab and off to the local police station to collect the reward... Contributed by: T.S. from c3c

A glancing blow from a spear puts her to sleep. She is then carried OTS... Source: Dorothy Lamour magazine

Dorothy Lamour is noosed unconscious and hungunconscious with a rope under her arms... In other story She is caught complaining of being restless and then is rendered restful with a conck on noggin! Source: Dorothy Lamour magazine

Flashback from one one of the latest WW comics showing the heroine cradling an unconscious Steve Trevor.

The catgirl is tied up during a bank robbery.

A girl is held hostage and then dropped from a building. She's saved though!

Nice peril cover featuring Supergirl. In the beginning of the issue, some lady is sedated while in a hospital.

This is a story about a girl who's father is a mad scientist. The father forces the girl to go into a teleporter along with a cat. This transforms the girl into a neko-girl (catgirl). Cute little scene.

The catgirl is kidnapped and is shown bound and gagged. Another cute little scene. Included some other panels found in the same volume.

The catgirl's boyfriend is given a drugged drink.