You bet they can, and I've certainly dealt with some on at least two jobs in the past right off the top of my head. That however is a topic the mainstream media sources love to stay silent on.

Women can definitely be sexist. All third wave feminists are extremely sexist.

Wow when you folks get into it,you really get into it.....there are some extremely well read and very inteligent people here!! some comments I have to read s-l-o-w-l-y a couple times to even have a clue!!im not being a smart ass or sarcastic either ......this is one bad ass group of folks and im glad I found y,all. (I don't type at all.....it would take me forever to capitalise , indent paragraphs ,and make type a message uh ,correctly so im sorry to the people it bothers ,and yeah im done PEACE

of course they can

I've been a feminist since the 1980s I don't hate men.
Not all men are "one thing".

Neither are all women.

Recognize this. Pay accordingly. Don't mack on people who don't want to be macked on.

Know that men are usually more physically powerful than women and this is freaking intimidating.

Don't be a jerk. (This goes for both sexes).

Listen to each other.

Respect each other. Gees.... (If I hear one more person say "poor white man" I will scream.).

Male and female sexism are totally different animals and can't be compared. Men have no idea why a woman would act sexist. Sexual harrassment is basically a male thing. Women on the other hand might carry a sexist opinion of men because they've been raped. Sexists seem to be people lacking empathy for other people.
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I know that there are guys that think the whole anti sexism thing is invaild unless we stamp out all discrimination against men first, make sure no women every say anything bad about men in general, then and only then can we deal with the systemic discrimination of women.

If you believe in equality, sexism against men is just not that big of a social problem. It's barely noticeable if you honestly pay attention to sexism effecting women.

Here something to chew on. If you are sexist, you probably believe it's because women's ideas were not as good. If your a women, it's just a Tuesday.
[fortune.com]

Yes. Women absolutely can be sexist. I've seen women make hiring decisions for general office jobs based on gender (literally stating they don't hire men), I've seen women deliberately refuse to believe statements made by men solely because they were men, I've seen women refuse service by men, etc.

Anytime you make a gender bias, you are being sexist. The moment you say/react as if 'Men are supposed to...' You are being sexist.

Good for you all.First time I've ever had coherent answers to this simple question . The idea that women can't be sexist isvan oxymoron yet I've been assured on a few occasions that because women are' 'oppressed' they can't be sexist.Quite hilarious really
So a black woman can be racist or sexist too.I feel better already.

I think the more salient aspect is control. As with racism, sexism is a mechanism whereby women are held at a lower esteem. Yes, a semantic argument can be had that it needn't be about control, but bias. I think, though, it isn't that simple. Sure, a woman can choose to hire a woman over a man, regardless of how their resumes compare, but the fact this occurs more in the opposite shows that it is part of a societal norm. To my mind, it would take a tumultuous paradigm shift for "reverse sexism" to occur.

I think it depends on who holds power.

Well of course. Any discrimination is discrimination. I think it's just important to examine our motives when seeking classifications. The language in which the question is presented implies a certain bias or expectation. Namely in this case, the "as usual" part implies indignation and an expectation that the response would be something contrary in nature. Unfortunately that language also tends to breed contrarianism. Or at least further indignation.

Anyone can be anythingist.

It's an attitude and a thought process. Predjudice and discrimination aren't the preserve of men.