Officers also swooped on two minor anti-wedding protests in central London but said they were "no problem".
About 10 masked anarchists from the Right Royal Orgy Group gathered in Soho Square, while the Red Lion Square group were said to be from the Republican Tea Party.
Other offences included an allegation of a sex attack on a 14-year-old girl, criminal damage and 25 breaches of the peace.
John Dobson, 32, of Chapel Street, Leigh, Lancashire was charged today with going equipped to cause criminal damage and bailed pending trial.
Terry Butts, 26, of Cobham Road, Leatherhead, Surrey, was charged with a racially aggravated offence and granted bail.
Piotr Domzala, 33, of Caledon Road, Aughnacloy, Co Tyrone, Northern Ireland, was charged with possession of an offensive weapon and granted bail.
Dean Hall, 31 of Thornhill Square, north London, was charged with a public order offence and granted bail.
Kieron Sinnot, 26, of Mount Pleasant Road, south London, was charged with common assault and granted bail.