I think that I have caught more trout on panther martins and rapalas than any other lures, but I can throw out some more ideas.
Flat fish
Kastmaster
Wedding ring
Wooly bugger under a bubble

When I was using alot of lures I seemed to have my best luck on Panther Martins....Joe Fly spinner. I have also had some luck on a marabou jig. The good ole rooster tail probably has accounted for more trout than any. (just a guess)

Flys, learn to Flyfish.

I like mepps and using a small worm fly as a trailer fly really cool.

Make my own Panther Martin design spinners and they are my #1 producer. Another that I like not mentioned above is a jig-blade combo called a "Road Runner" with black maribou tied on. I also like a spoon like lure called a "Flutter Bug" but they've been a little hard to find.

HotSpot Apex.
As long as it has some silver on it, it will produce. The green and silver and the blue and silver ones do work better. The old fishermens mantra of bigger lure equals bigger fish is definatly true. We run ours twenty to thirty feet deep on downriggers, with between fifty and one hundred feet of line before clipping onto the downrigger quick release. Also we use anything with silver on it that is about minnow sized.
Hope this helps

trout magnets, a few days ago a took a ride down to my local trout hole and was fly casting to trout that just would not hit on anything due to muddy water as the guy nest to me caught them cast after cast (at least a dozen nice 'bows and browns) i asked him what he was using and he said it was a trout magnet in white so i tied one on and boom i caught 16 trout in just over an hour.

In my opinion size 00 Mepp's Aglias. They work like a charm on both stocked and wild trout, but particularly well on wild trout in small streams.

Omg...last summer I found the wonders of trolling with Kwikfish. I only have two Kwikfish lures, but they both produce when nothing works for me. Any sort of Mepp's/Vibrax style spinners work as well. Of course with any of these, you can choose lures according to size.

worms thats what i been catching them on

panther martens and rapalas are great. BUT TROUT MAGENETS ARE THE BEST THING FOR TROUT AND OTHER FISH

I would also have to go with trout mags. and foofoo jigs under pencil floats

Phoebe's: Gold or Silver preferably, with a fast retrieve has brought me the best luck.

the best trout lure by far is the matzuo nano minnow in the 1/8 1 1/2" size in black/gold, black/silver, and white satin. Try them and you wont be dissappionted. Trout absolutely hammer them.

I prefer using ultralight to light action rods for casting for trout and that lets me use smaller then normal lures. I know most pros suggest going larger, I'm different in my thinking as I prefer to use smaller lures. My favorites are small spoons like the Len Thompson in chrome plated models, Krocs in rainbow colours and the Rooster Tail spinner in black and rainbow. It all depends on where and how I'm fishing too. In the rivers I like the spinners but the blades aren't as reliable and the spoons allow me to fish a little deeper in current. In small lakes I'll usually toss a spoon, though my best day fishing ever both myself and my friend were using rainbow coloured Roosters. I generally prefer the spoons because they are great for covering alot of water and are very simple. I usually use larger lures for different fish like pike and walleye, and have a box full of them. But some days tying on a spoon just seems like the right thing to do for them too.

If you're trolling, you can't go wrong with a flatfish or a rainbow spoon. If you're stream or river fishing, my top picks are Panther Martin, Kastmaster, or Mepps Spinner.

JAKES spin-a-lure (gold & red spotted (we call it the gutter strap)

I always have good luck with black panther martins, brass and silver pheobes

for rainbows i like panther martins and for browns i like a size 11 or 13 original rapala.

Pcolas Niti-1, made in St. Michael, Pennsylvania... 2-inch nickel, brass or black.

And now that I've told you, I'm gonna have to kill you.

Trout magnets (All colors)

My two bits...a jig. I am tying up some of my streamers for fly fishing on jig hooks to create the jig action...no doubt about it, the jig action is a fish getter. The falling action especially triggers the strike. I would guess more fish have been caught on a jig than any other lure. Works in the saltwater, freshwater, where ever fish swim.

I would love to know the best lure/bait for trout as well? My question is for trout which have been introduced to lakes, Rainbows especially. There is a lake here in the outskirts of the Twin Cities area of Minnesota, which has Rainbows(non-natural) in the lake. During this past winter, I have fished this lake, and only caught on trout. My fishing buddy and I would see many, but we could never seem to land any. The one I could was on a jig with euro-larva, they all seemed interested then would dart off at the last second. Any ideas or thoughts. Thanks all!

When you pose that question, you are eliminating the human element of the skill of the angler. An angler can go days without catching anything on a lure, and the next guy can not keep the fish off using that lure. Like I tell kids at school..."You go fishing...I go catching."